Fix strange quote characters

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@59729 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaOverload.cpp b/lib/Sema/SemaOverload.cpp
index 77546fd..36f2def 100644
--- a/lib/Sema/SemaOverload.cpp
+++ b/lib/Sema/SemaOverload.cpp
@@ -2993,10 +2993,10 @@
   //
   //   where cv-qualifier is the same cv-qualification as, or a
   //   greater cv-qualification than, cv, and where conversion-type-id
-  //   denotes the type “pointer to function of (P1,...,Pn) returning
-  //   R”, or the type “reference to pointer to function of
-  //   (P1,...,Pn) returning R”, or the type “reference to function
-  //   of (P1,...,Pn) returning R”, a surrogate call function [...]
+  //   denotes the type "pointer to function of (P1,...,Pn) returning
+  //   R", or the type "reference to pointer to function of
+  //   (P1,...,Pn) returning R", or the type "reference to function
+  //   of (P1,...,Pn) returning R", a surrogate call function [...]
   //   is also considered as a candidate function. Similarly,
   //   surrogate call functions are added to the set of candidate
   //   functions for each conversion function declared in an