ANSIfy more. Still no behavior change.

llvm-svn: 302259
diff --git a/clang/lib/CodeGen/CGBuiltin.cpp b/clang/lib/CodeGen/CGBuiltin.cpp
index 49a0949..2f05c0e 100644
--- a/clang/lib/CodeGen/CGBuiltin.cpp
+++ b/clang/lib/CodeGen/CGBuiltin.cpp
@@ -2751,7 +2751,7 @@
 
     // Push a clang.arc.use cleanup for each object in RetainableOperands. The
     // cleanup will cause the use to appear after the final log call, keeping
-    // the object valid while it's held in the log buffer.  Note that if there’s
+    // the object valid while it's held in the log buffer.  Note that if there's
     // a release cleanup on the object, it will already be active; since
     // cleanups are emitted in reverse order, the use will occur before the
     // object is released.