Fix early return when GrCoordTransform is identity.

BUG=339721
R=egdaniel@google.com

Review URL: https://codereview.chromium.org/222833002

git-svn-id: http://skia.googlecode.com/svn/trunk@14033 2bbb7eff-a529-9590-31e7-b0007b416f81

src/gpu/gl/GrGLProgramEffects.cpp

@@ -425,7 +425,7 @@ void GrGLVertexProgramEffects::setTransformData(const GrGLUniformManager& unifor
         switch (transforms[t].fType) {
             case kVoid_GrSLType:
                 SkASSERT(get_transform_matrix(drawEffect, t).isIdentity());
-                return;
+                break;
             case kVec2f_GrSLType: {
                 GrGLfloat tx, ty;
                 get_transform_translation(drawEffect, t, &tx, &ty);