Correct spelling _LIBCPP_STABLE_APPLE_ABI

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/branches/apple25@136614 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/src/locale.cpp b/src/locale.cpp
index 7c2a607..fbe9411 100644
--- a/src/locale.cpp
+++ b/src/locale.cpp
@@ -116,7 +116,7 @@
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
-#ifndef _LIBCPP_APPLE_STABLE_ABI
+#ifndef _LIBCPP_STABLE_APPLE_ABI
 locale_t __cloc() {
   // In theory this could create a race condition. In practice
   // the race condition is non-fatal since it will just create
@@ -128,7 +128,7 @@
   return result;
 #endif
 }
-#endif // _LIBCPP_APPLE_STABLE_ABI
+#endif // _LIBCPP_STABLE_APPLE_ABI
 
 namespace {
 
@@ -1023,7 +1023,7 @@
     return NULL;
 #endif
 }
-#endif // _LIBCPP_APPLE_STABLE_ABI
+#endif // _LIBCPP_STABLE_APPLE_ABI
 
 // template <> class ctype_byname<char>