fix the microsoft "charify" extension to return the charified token 
as a character literal, not a string literal.  This might fix
rdar://7486575


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@92025 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/Parser/MicrosoftExtensions.c b/test/Parser/MicrosoftExtensions.c
index 0061886..082929f 100644
--- a/test/Parser/MicrosoftExtensions.c
+++ b/test/Parser/MicrosoftExtensions.c
@@ -28,3 +28,9 @@
 }
 
 typedef bool (__stdcall __stdcall *blarg)(int);
+
+
+// Charify extension.
+#define FOO(x) #@x
+char x = FOO(a);
+