Remove static initiazled gClampNearest in gpu backend

Review URL: http://codereview.appspot.com/5487044/


git-svn-id: http://skia.googlecode.com/svn/trunk@2851 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/SkGr.h b/include/gpu/SkGr.h
index ad157d5..f4dab53 100644
--- a/include/gpu/SkGr.h
+++ b/include/gpu/SkGr.h
@@ -199,7 +199,7 @@
 static const GrContext::TextureKey gUNCACHED_KEY = ~0;
 GrContext::TextureCacheEntry sk_gr_create_bitmap_texture(GrContext* ctx,
                                                 GrContext::TextureKey key,
-                                                const GrSamplerState& sampler,
+                                                const GrSamplerState* sampler,
                                                 const SkBitmap& bitmap);