Get rid of "smart" quotes.  Per report on cfe-dev.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@78230 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaType.cpp b/lib/Sema/SemaType.cpp
index 1bb516e..6ba23a9 100644
--- a/lib/Sema/SemaType.cpp
+++ b/lib/Sema/SemaType.cpp
@@ -447,7 +447,7 @@
   }
 
   // C++ [dcl.ref]p1:
-  //   A declarator that specifies the type “reference to cv void”
+  //   A declarator that specifies the type "reference to cv void"
   //   is ill-formed.
   if (T->isVoidType()) {
     Diag(Loc, diag::err_reference_to_void);