Fix more issues exposed by -pedantic-errors in c++03 mode

llvm-svn: 228711
diff --git a/libcxx/include/experimental/system_error b/libcxx/include/experimental/system_error
index b1d4c91..2a278b5 100644
--- a/libcxx/include/experimental/system_error
+++ b/libcxx/include/experimental/system_error
@@ -56,4 +56,4 @@
 
 #endif /* _LIBCPP_STD_VER > 11 */
 
-#endif /* _LIBCPP_EXPERIMENTAL_SYSTEM_ERROR */
\ No newline at end of file
+#endif /* _LIBCPP_EXPERIMENTAL_SYSTEM_ERROR */