Fix closing brace around ifdef.

llvm-svn: 190965
diff --git a/clang/lib/Headers/Intrin.h b/clang/lib/Headers/Intrin.h
index 6fd76e3..b80fa1e 100644
--- a/clang/lib/Headers/Intrin.h
+++ b/clang/lib/Headers/Intrin.h
@@ -341,7 +341,9 @@
 void __cdecl _xsave64(void *, unsigned __int64);
 void __cdecl _xsaveopt64(void *, unsigned __int64);
 
+#ifdef __cplusplus
 }
 #endif
 #endif
 #endif
+#endif