Don't look at current vertex layout when vertex source hasn't been set

Review URL: http://codereview.appspot.com/5959047



git-svn-id: http://skia.googlecode.com/svn/trunk@3545 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrGpu.cpp b/src/gpu/GrGpu.cpp
index ab16218..6863630 100644
--- a/src/gpu/GrGpu.cpp
+++ b/src/gpu/GrGpu.cpp
@@ -911,7 +911,7 @@
 #if GR_DEBUG
     bool success =
 #endif
-    fVertexPool->appendVertices(this->getGeomSrc().fVertexLayout,
+    fVertexPool->appendVertices(this->getVertexLayout(),
                                 vertexCount,
                                 vertexArray,
                                 &geomPoolState.fPoolVertexBuffer,