Fix assert in bench due to r7899. Unreviewed.


git-svn-id: http://skia.googlecode.com/svn/trunk@7901 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrContext.cpp b/src/gpu/GrContext.cpp
index 20f0959..3b77b73 100644
--- a/src/gpu/GrContext.cpp
+++ b/src/gpu/GrContext.cpp
@@ -947,7 +947,7 @@
         drawState->setAttribIndex(GrDrawState::kColor_AttribIndex, attribs.count());
         attribs.push_back(GrVertexAttrib(kVec4ub_GrVertexAttribType, currentOffset));
         colorOffset = currentOffset;
-        currentOffset += sizeof(GrPoint);
+        currentOffset += sizeof(GrColor);
     }
 
     drawState->setVertexAttribs(attribs.begin(), attribs.count());