Fix pure virtual call from destructor and turn VertBench back on



git-svn-id: http://skia.googlecode.com/svn/trunk@2556 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrInOrderDrawBuffer.cpp b/src/gpu/GrInOrderDrawBuffer.cpp
index db20846..837d2c1 100644
--- a/src/gpu/GrInOrderDrawBuffer.cpp
+++ b/src/gpu/GrInOrderDrawBuffer.cpp
@@ -44,6 +44,8 @@
 
 GrInOrderDrawBuffer::~GrInOrderDrawBuffer() {
     this->reset();
+    // This must be called by before the GrDrawTarget destructor
+    this->releaseGeometry();
     GrSafeUnref(fQuadIndexBuffer);
 }