[gtk: 7/10] gtk/win32: fix a switch-default warning

[Luca Bacci <lbacci src gnome org>]

commit 88503bcc3bb3a281bd31915952a9248a7c485f3f
Author: Marc-André Lureau <marcandre lureau redhat com>
Date:   Tue Aug 23 16:42:15 2022 +0400

    gtk/win32: fix a switch-default warning
    
    gtk/gtkimcontextime.c:714:3: warning: switch missing default case [-Wswitch-default]
    
    Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>

 gtk/gtkimcontextime.c | 3 +++
 1 file changed, 3 insertions(+)
---
diff --git a/gtk/gtkimcontextime.c b/gtk/gtkimcontextime.c
index 91eb726a24..e341925733 100644
--- a/gtk/gtkimcontextime.c
+++ b/gtk/gtkimcontextime.c
@@ -741,6 +741,9 @@ gtk_im_context_ime_focus_out (GtkIMContext *context)
 
       case GTK_WIN32_IME_FOCUS_BEHAVIOR_FOLLOW:
         break;
+
+      default:
+        g_assert_not_reached ();
     }
 
   /* remove event filter */