SW : revert multiple with 2.0

GPU/GLES/TransformPipeline.cpp

@@ -717,7 +717,7 @@ void TransformDrawEngine::SoftwareTransformAndDraw(
 		memcpy(&transformed[index].u, uv, 3 * sizeof(float));
 
 		if (gstate_c.flipTexture) 
-				transformed[index].v = 1.0f - transformed[index].v;
+				transformed[index].v = 1.0f - transformed[index].v * 2.0f;
 
 		for (int i = 0; i < 4; i++) {
 			transformed[index].color0[i] = c0[i] * 255.0f;