Fixed a few warnings

src/gpu/GrDrawState.h

Index: src/gpu/GrDrawState.h
===================================================================
--- src/gpu/GrDrawState.h	(revision 7988)
+++ src/gpu/GrDrawState.h	(working copy)
@@ -423,7 +423,7 @@
      */
     class AutoColorRestore : public ::GrNoncopyable {
     public:
-        AutoColorRestore() : fDrawState(NULL) {}
+        AutoColorRestore() : fDrawState(NULL), fOldColor(0) {}

[sugoi, 2013/03/05 20:16:45]

Added this to remove the warning about "fOldColor" being potentially used before
having been initialized.

[bsalomon, 2013/03/05 20:19:20]

I've been avoiding doing this because the warning is bogus.. but ok.

 
         AutoColorRestore(GrDrawState* drawState, GrColor color) {
             fDrawState = NULL;