[gimp] app: clean tab indentation.

[Jehan <jehanp src gnome org>]

commit e676ad46ec96d3cdb700f99b80b5a69da4236774
Author: Jehan <jehan girinstud io>
Date:   Sat Oct 24 03:05:20 2020 +0200

    app: clean tab indentation.

 app/gui/splash.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/app/gui/splash.c b/app/gui/splash.c
index a82bc8144f..c78e24142c 100644
--- a/app/gui/splash.c
+++ b/app/gui/splash.c
@@ -203,8 +203,8 @@ splash_create (Gimp       *gimp,
   g_object_unref (pixbuf);
 
   g_signal_connect_after (splash->area, "draw",
-                         G_CALLBACK (splash_area_draw),
-                         splash);
+                          G_CALLBACK (splash_area_draw),
+                          splash);
 
   /*  add a progress bar  */
   splash->progress = gtk_progress_bar_new ();