Upgrade to mksh 50c.

Bug: 17814343
Change-Id: I06cbd6e9ef127c6a654d201ebfb6005cbb2ed3b0
diff --git a/Android.mk b/Android.mk
index 8f910a1..48a6867 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,18 +1,18 @@
 # Copyright © 2010, 2013
-#	Thorsten Glaser <t.glaser@tarent.de>
+#    Thorsten Glaser <t.glaser@tarent.de>
 # This file is provided under the same terms as mksh.
 
-LOCAL_PATH:=		$(call my-dir)
+LOCAL_PATH := $(call my-dir)
 
 
 # /system/etc/mkshrc
 
 include $(CLEAR_VARS)
 
-LOCAL_MODULE:=		mkshrc
-LOCAL_MODULE_CLASS:=	ETC
-LOCAL_MODULE_PATH:=	$(TARGET_OUT)/etc
-LOCAL_SRC_FILES:=	$(LOCAL_MODULE)
+LOCAL_MODULE := mkshrc
+LOCAL_MODULE_CLASS := ETC
+LOCAL_MODULE_PATH := $(TARGET_OUT)/etc
+LOCAL_SRC_FILES := $(LOCAL_MODULE)
 include $(BUILD_PREBUILT)
 
 
@@ -24,50 +24,61 @@
 LOCAL_ADDITIONAL_DEPENDENCIES += $(LOCAL_PATH)/Android.mk
 
 # mksh source files
-LOCAL_SRC_FILES:=	src/lalloc.c src/edit.c src/eval.c src/exec.c \
-			src/expr.c src/funcs.c src/histrap.c src/jobs.c \
-			src/lex.c src/main.c src/misc.c src/shf.c \
-			src/syn.c src/tree.c src/var.c
+LOCAL_SRC_FILES := \
+    src/lalloc.c src/edit.c src/eval.c src/exec.c \
+    src/expr.c src/funcs.c src/histrap.c src/jobs.c \
+    src/lex.c src/main.c src/misc.c src/shf.c \
+    src/syn.c src/tree.c src/var.c
 
-LOCAL_SYSTEM_SHARED_LIBRARIES:= libc
+LOCAL_SYSTEM_SHARED_LIBRARIES := libc
 
-LOCAL_C_INCLUDES:=	$(LOCAL_PATH)/src
-# additional flags first, then from Makefrag.inc: CFLAGS, CPPFLAGS
-LOCAL_CFLAGS:=		-DMKSHRC_PATH=\"/system/etc/mkshrc\" \
-			-DMKSH_DEFAULT_EXECSHELL=\"/system/bin/sh\" \
-			-DMKSH_DEFAULT_TMPDIR=\"/data/local\" \
-		-Wno-deprecated-declarations \
-		-fno-asynchronous-unwind-tables -fwrapv \
-		-DDEBUG_LEAKS -DMKSH_ASSUME_UTF8 -DMKSH_CONSERVATIVE_FDS \
-		-DMKSH_DONT_EMIT_IDSTRING -DMKSH_NOPWNAM -DMKSH_BUILDSH \
-		-D_GNU_SOURCE -DSETUID_CAN_FAIL_WITH_EAGAIN \
-		-DHAVE_ATTRIBUTE_BOUNDED=0 -DHAVE_ATTRIBUTE_FORMAT=1 \
-		-DHAVE_ATTRIBUTE_NORETURN=1 \
-		-DHAVE_ATTRIBUTE_PURE=1 \
-		-DHAVE_ATTRIBUTE_UNUSED=1 \
-		-DHAVE_ATTRIBUTE_USED=1 -DHAVE_SYS_TIME_H=1 -DHAVE_TIME_H=1 \
-		-DHAVE_BOTH_TIME_H=1 -DHAVE_SYS_BSDTYPES_H=0 \
-		-DHAVE_SYS_FILE_H=1 -DHAVE_SYS_MKDEV_H=0 -DHAVE_SYS_MMAN_H=1 \
-		-DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_RESOURCE_H=1 \
-		-DHAVE_SYS_SELECT_H=1 -DHAVE_SYS_SYSMACROS_H=1 \
-		-DHAVE_BSTRING_H=0 -DHAVE_GRP_H=1 -DHAVE_LIBGEN_H=1 \
-		-DHAVE_LIBUTIL_H=0 -DHAVE_PATHS_H=1 -DHAVE_STDINT_H=1 \
-		-DHAVE_STRINGS_H=1 -DHAVE_TERMIOS_H=1 -DHAVE_ULIMIT_H=0 \
-		-DHAVE_VALUES_H=0 -DHAVE_CAN_INTTYPES=1 -DHAVE_CAN_UCBINTS=1 \
-		-DHAVE_CAN_INT8TYPE=1 -DHAVE_CAN_UCBINT8=1 -DHAVE_RLIM_T=1 \
-		-DHAVE_SIG_T=1 -DHAVE_SYS_ERRLIST=0 -DHAVE_SYS_SIGNAME=1 \
-		-DHAVE_SYS_SIGLIST=1 -DHAVE_FLOCK=1 -DHAVE_LOCK_FCNTL=1 \
-		-DHAVE_GETRUSAGE=1 \
-		-DHAVE_GETSID=1 \
-		-DHAVE_GETTIMEOFDAY=1 -DHAVE_KILLPG=1 \
-		-DHAVE_MEMMOVE=1 -DHAVE_MKNOD=0 -DHAVE_MMAP=1 -DHAVE_NICE=1 \
-		-DHAVE_REVOKE=0 -DHAVE_SETLOCALE_CTYPE=0 \
-		-DHAVE_LANGINFO_CODESET=0 -DHAVE_SELECT=1 -DHAVE_SETRESUGID=1 \
-		-DHAVE_SETGROUPS=1 -DHAVE_STRERROR=1 -DHAVE_STRSIGNAL=0 \
-		-DHAVE_STRLCPY=1 -DHAVE_FLOCK_DECL=1 -DHAVE_REVOKE_DECL=1 \
-		-DHAVE_SYS_ERRLIST_DECL=0 -DHAVE_SYS_SIGLIST_DECL=1 \
-		-DHAVE_PERSISTENT_HISTORY=0 -DMKSH_BUILD_R=501
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/src
 
-# check_categories= shell:legacy-no int:32 android convfds no-histfile
+# Additional flags first...
+LOCAL_CFLAGS += \
+    -DMKSHRC_PATH=\"/system/etc/mkshrc\" \
+    -DMKSH_DEFAULT_EXECSHELL=\"/system/bin/sh\" \
+    -DMKSH_DEFAULT_TMPDIR=\"/data/local\" \
+
+# ...then from Makefrag.inc: CFLAGS...
+LOCAL_CFLAGS += \
+    -Wno-deprecated-declarations \
+    -fno-asynchronous-unwind-tables \
+    -fno-strict-aliasing \
+    -fstack-protector -fwrapv \
+
+# ...and CPPFLAGS.
+LOCAL_CFLAGS += \
+    -DDEBUG_LEAKS -DMKSH_ASSUME_UTF8 -DMKSH_CONSERVATIVE_FDS \
+    -DMKSH_DONT_EMIT_IDSTRING -DMKSH_NOPWNAM -DMKSH_BUILDSH \
+    -D_GNU_SOURCE -DSETUID_CAN_FAIL_WITH_EAGAIN \
+    -DHAVE_ATTRIBUTE_BOUNDED=0 -DHAVE_ATTRIBUTE_FORMAT=1 \
+    -DHAVE_ATTRIBUTE_NORETURN=1 \
+    -DHAVE_ATTRIBUTE_PURE=1 \
+    -DHAVE_ATTRIBUTE_UNUSED=1 \
+    -DHAVE_ATTRIBUTE_USED=1 -DHAVE_SYS_TIME_H=1 -DHAVE_TIME_H=1 \
+    -DHAVE_BOTH_TIME_H=1 -DHAVE_SYS_BSDTYPES_H=0 \
+    -DHAVE_SYS_FILE_H=1 -DHAVE_SYS_MKDEV_H=0 -DHAVE_SYS_MMAN_H=1 \
+    -DHAVE_SYS_PARAM_H=1 -DHAVE_SYS_RESOURCE_H=1 \
+    -DHAVE_SYS_SELECT_H=1 -DHAVE_SYS_SYSMACROS_H=1 \
+    -DHAVE_BSTRING_H=0 -DHAVE_GRP_H=1 -DHAVE_LIBGEN_H=1 \
+    -DHAVE_LIBUTIL_H=0 -DHAVE_PATHS_H=1 -DHAVE_STDINT_H=1 \
+    -DHAVE_STRINGS_H=1 -DHAVE_TERMIOS_H=1 -DHAVE_ULIMIT_H=0 \
+    -DHAVE_VALUES_H=0 -DHAVE_CAN_INTTYPES=1 -DHAVE_CAN_UCBINTS=1 \
+    -DHAVE_CAN_INT8TYPE=1 -DHAVE_CAN_UCBINT8=1 -DHAVE_RLIM_T=1 \
+    -DHAVE_SIG_T=1 -DHAVE_SYS_ERRLIST=0 -DHAVE_SYS_SIGNAME=1 \
+    -DHAVE_SYS_SIGLIST=1 -DHAVE_FLOCK=1 -DHAVE_LOCK_FCNTL=1 \
+    -DHAVE_GETRUSAGE=1 \
+    -DHAVE_GETSID=1 \
+    -DHAVE_GETTIMEOFDAY=1 \
+    -DHAVE_ISSETUGID=0 \
+    -DHAVE_KILLPG=1 \
+    -DHAVE_MEMMOVE=1 -DHAVE_MKNOD=0 -DHAVE_MMAP=1 -DHAVE_NICE=1 \
+    -DHAVE_REVOKE=0 -DHAVE_SETLOCALE_CTYPE=0 \
+    -DHAVE_LANGINFO_CODESET=0 -DHAVE_SELECT=1 -DHAVE_SETRESUGID=1 \
+    -DHAVE_SETGROUPS=1 -DHAVE_STRERROR=1 -DHAVE_STRSIGNAL=0 \
+    -DHAVE_STRLCPY=1 -DHAVE_FLOCK_DECL=1 -DHAVE_REVOKE_DECL=1 \
+    -DHAVE_SYS_ERRLIST_DECL=0 -DHAVE_SYS_SIGLIST_DECL=1 \
+    -DHAVE_PERSISTENT_HISTORY=0 -DMKSH_BUILD_R=503
 
 include $(BUILD_EXECUTABLE)