ANSIfy. No behavior change.

llvm-svn: 302258
diff --git a/clang/lib/Sema/SemaStmt.cpp b/clang/lib/Sema/SemaStmt.cpp
index 9ffc23b..5d7eada 100644
--- a/clang/lib/Sema/SemaStmt.cpp
+++ b/clang/lib/Sema/SemaStmt.cpp
@@ -2828,7 +2828,7 @@
 
         // [...] If the first overload resolution fails or was not performed, or
         // if the type of the first parameter of the selected constructor is not
-        // an rvalue reference to the object’s type (possibly cv-qualified),
+        // an rvalue reference to the object's type (possibly cv-qualified),
         // overload resolution is performed again, considering the object as an
         // lvalue.
         if (!RRefType ||