Update compiler-rt aosp/master for 3.5 (r209699) rebase.

Change-Id: I158a30186f0faea2e2400e9dfdd878db2eb40e90
diff --git a/SDKs/darwin/usr/include/string.h b/SDKs/darwin/usr/include/string.h
index c6ab5d8..1a00574 100644
--- a/SDKs/darwin/usr/include/string.h
+++ b/SDKs/darwin/usr/include/string.h
@@ -35,16 +35,16 @@
 #  elif defined(__x86_64__) || defined(__arm)
 #    define __STRERROR_NAME  "_strerror"
 #  else
-#    error "unrecognized architecture for targetting OS X"
+#    error "unrecognized architecture for targeting OS X"
 #  endif
 #elif defined(__ENVIRONMENT_IPHONE_OS_VERSION_MIN_REQUIRED__)
 #  if defined(__i386) || defined (__x86_64) || defined(__arm)
 #    define __STRERROR_NAME  "_strerror"
 #  else
-#    error "unrecognized architecture for targetting iOS"
+#    error "unrecognized architecture for targeting iOS"
 #  endif
 #else
-#  error "unrecognized architecture for targetting Darwin"
+#  error "unrecognized architecture for targeting Darwin"
 #endif
 
 char *strerror(int) __asm(__STRERROR_NAME);