Removes warnings generated by gcc and clang.



git-svn-id: http://skia.googlecode.com/svn/trunk@2651 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/SkGpuDevice.cpp b/src/gpu/SkGpuDevice.cpp
index 8ad951d..64d74ee 100644
--- a/src/gpu/SkGpuDevice.cpp
+++ b/src/gpu/SkGpuDevice.cpp
@@ -743,7 +743,7 @@
         kNone_GrAALevel,
         srcRect.width(),
         srcRect.height(),
-        kRGBA_8888_GrPixelConfig
+        { kRGBA_8888_GrPixelConfig }
     };
 
     temp1->set(context, desc);
@@ -883,7 +883,7 @@
         srcRect.height(),
         // We actually only need A8, but it often isn't supported as a
         // render target
-        kRGBA_8888_PM_GrPixelConfig
+        { kRGBA_8888_PM_GrPixelConfig }
     };
 
     GrAutoScratchTexture pathEntry(context, desc);
@@ -1014,7 +1014,7 @@
         kNone_GrAALevel,
         dstM.fBounds.width(),
         dstM.fBounds.height(),
-        kAlpha_8_GrPixelConfig
+        { kAlpha_8_GrPixelConfig }
     };
 
     GrAutoScratchTexture ast(context, desc);
@@ -1659,7 +1659,7 @@
             kNone_GrAALevel,
             bitmap.width(),
             bitmap.height(),
-            SkGr::Bitmap2PixelConfig(bitmap)
+            { SkGr::Bitmap2PixelConfig(bitmap) }
         };
         GrContext::ScratchTexMatch match;
         if (kSaveLayerDeviceRenderTarget_TexType == type) {