Add a triple to this test, otherwise it fails under MSVC because wchar_t is unsigned with the i686-pc-win32 triple.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130636 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/SemaCXX/type-traits.cpp b/test/SemaCXX/type-traits.cpp
index a4ed500..96e9696 100644
--- a/test/SemaCXX/type-traits.cpp
+++ b/test/SemaCXX/type-traits.cpp
@@ -1,4 +1,4 @@
-// RUN: %clang_cc1 -fsyntax-only -verify %s 
+// RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s 
 #define T(b) (b) ? 1 : -1
 #define F(b) (b) ? -1 : 1