Restore correct source location for <sys/capability.h>

Reported-by: Robby Workman <rworkman@slackware.com>
Signed-off-by: Andrew G. Morgan <morgan@kernel.org>
diff --git a/Make.Rules b/Make.Rules
index d597fde..d1a554f 100644
--- a/Make.Rules
+++ b/Make.Rules
@@ -42,10 +42,13 @@
 
 # Compilation specifics
 
+KERNEL_HEADERS := $(topdir)/libcap/include
+IPATH += -I$(topdir)/libcap/include -I$(KERNEL_HEADERS)
+
 CC := gcc
 CFLAGS := -O2
 BUILD_CC := $(CC)
-BUILD_CFLAGS := $(CFLAGS)
+BUILD_CFLAGS := $(CFLAGS) $(IPATH)
 AR := ar
 RANLIB := ranlib
 DEBUG = -g #-DDEBUG
@@ -56,9 +59,7 @@
 LD=$(CC) -Wl,-x -shared
 LDFLAGS := #-g
 
-KERNEL_HEADERS := $(topdir)/libcap/include
 SYSTEM_HEADERS = /usr/include
-IPATH += -I$(topdir)/libcap/include -I$(KERNEL_HEADERS)
 INCS=$(topdir)/libcap/include/sys/capability.h
 LDFLAGS += -L$(topdir)/libcap
 CFLAGS += -Dlinux $(WARNINGS) $(DEBUG) $(IPATH)
diff --git a/libcap/Makefile b/libcap/Makefile
index da22bd1..2d95e69 100644
--- a/libcap/Makefile
+++ b/libcap/Makefile
@@ -37,7 +37,7 @@
 
 cap_names.sed: Makefile $(KERNEL_HEADERS)/linux/capability.h
 	@echo "=> making cap_names.c from <linux/capability.h>"
-	@sed -ne '/^#define[ \t]CAP[_A-Z]\+[ \t]\+[0-9]\+/{s/^#define \([^ \t]*\)[ \t]*\([^ \t]*\)/\{\"\1\",\2\},/;y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/;p;}' < $(KERNEL_HEADERS)/linux/capability.h | fgrep -v 0x > $@
+	sed -ne '/^#define[ \t]CAP[_A-Z]\+[ \t]\+[0-9]\+/{s/^#define \([^ \t]*\)[ \t]*\([^ \t]*\)/\{\"\1\",\2\},/;y/ABCDEFGHIJKLMNOPQRSTUVWXYZ/abcdefghijklmnopqrstuvwxyz/;p;}' < $(KERNEL_HEADERS)/linux/capability.h | fgrep -v 0x > $@
 
 $(STALIBNAME): $(OBJS)
 	$(AR) rcs $@ $^