[gimp] app: remove useless "return" in GimpSpinScale

[Michael Natterer <mitch src gnome org>]

commit b11aac154b8575e46c808bb64145dc2d2705fc1c
Author: Michael Natterer <mitch gimp org>
Date:   Wed May 30 00:35:18 2018 +0200

    app: remove useless "return" in GimpSpinScale

 app/widgets/gimpspinscale.c | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/app/widgets/gimpspinscale.c b/app/widgets/gimpspinscale.c
index 6e126071e3..c7cbc07032 100644
--- a/app/widgets/gimpspinscale.c
+++ b/app/widgets/gimpspinscale.c
@@ -304,7 +304,6 @@ gimp_spin_scale_get_preferred_height (GtkWidget *widget,
   /* Just increase this a bit to make the clickable area larger */
   *minimum_height *= 1.2;
   *natural_height *= 1.2;
-  return;
 }
 
 static void