drm/vc4: Fix memory leak of the CRTC state.

The underscores variant frees the pointers inside, while the
no-underscores variant calls underscores and then frees the struct.
Signed-off-by: Eric Anholt <eric@anholt.net>
Fixes: d8dbf44f ("drm/vc4: Make the CRTCs cooperate on allocating display lists.")
Cc: stable@vger.kernel.org

drivers/gpu/drm/vc4/vc4_crtc.c

@@ -839,7 +839,7 @@ static void vc4_crtc_destroy_state(struct drm_crtc *crtc,
 
 	}
 
-	__drm_atomic_helper_crtc_destroy_state(state);
+	drm_atomic_helper_crtc_destroy_state(crtc, state);
 }
 
 static const struct drm_crtc_funcs vc4_crtc_funcs = {