Don't reuse scratch textures patch

src/gpu/GrResource.cpp

Index: src/gpu/GrResource.cpp
===================================================================
--- src/gpu/GrResource.cpp	(revision 11979)
+++ src/gpu/GrResource.cpp	(working copy)
@@ -17,7 +17,7 @@
     fCacheEntry       = NULL;
     fDeferredRefCount = 0;
     if (isWrapped) {
-        fFlags = kWrapped_Flag;
+        fFlags = kWrapped_FlagBit;
     } else {
         fFlags = 0;
     }