Fix init order warning



git-svn-id: http://skia.googlecode.com/svn/trunk@7522 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index 4cce03f..3da8219 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -33,8 +33,8 @@
     , fIndexPool(NULL)
     , fVertexPoolUseCnt(0)
     , fIndexPoolUseCnt(0)
-    , fQuadIndexBuffer(NULL)
     , fUnitSquareVertexBuffer(NULL)
+    , fQuadIndexBuffer(NULL)
     , fContextIsDirty(true) {
 
     fClipMaskManager.setGpu(this);