Add missing return statement.



git-svn-id: http://skia.googlecode.com/svn/trunk@2757 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/gpu/GrGpuGL.cpp b/src/gpu/GrGpuGL.cpp
index cd1a813..9025c67 100644
--- a/src/gpu/GrGpuGL.cpp
+++ b/src/gpu/GrGpuGL.cpp
@@ -846,6 +846,7 @@
     if (glFlipY) {
         GL_CALL(PixelStorei(GR_GL_UNPACK_FLIP_Y, GR_GL_FALSE));
     }
+    return true;
 }
 
 bool GrGpuGL::createRenderTargetObjects(int width, int height,