gesturesingle: Get rid of a fallthrough comment

Fixes #4663

diff --git a/gtk/gtkgesturesingle.c b/gtk/gtkgesturesingle.c
index bf415698b7db8fb0dd702e86cb04e51f7ce0cac3..c9fa73e747d1b7a17a718d4a58461d185c2ffac8 100644 (file)
--- a/gtk/gtkgesturesingle.c
+++ b/gtk/gtkgesturesingle.c
@@ -200,7 +200,7 @@ gtk_gesture_single_handle_event (GtkEventController *controller,
     case GDK_TOUCHPAD_HOLD:
       if (gdk_touchpad_event_get_n_fingers (event) == 1)
         return FALSE;
-      /* fallthrough */
+      G_GNUC_FALLTHROUGH;
     case GDK_TOUCH_CANCEL:
     case GDK_GRAB_BROKEN:
     case GDK_TOUCHPAD_SWIPE: