[gimp] libgimpwidgets: fix gimp_spin_button_new_with_range()

[Ell <ell src gnome org>]

commit 19eb9fb1bfa2946111c47bb65a473ba9c92da6d5
Author: Ell <ell_se yahoo com>
Date:   Sun Mar 3 04:21:34 2019 -0500

    libgimpwidgets: fix gimp_spin_button_new_with_range()

 libgimpwidgets/gimpspinbutton.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/libgimpwidgets/gimpspinbutton.c b/libgimpwidgets/gimpspinbutton.c
index 69686557b1..094846c1cd 100644
--- a/libgimpwidgets/gimpspinbutton.c
+++ b/libgimpwidgets/gimpspinbutton.c
@@ -200,7 +200,7 @@ gimp_spin_button_new_with_range (gdouble min,
   g_return_val_if_fail (min <= max, NULL);
   g_return_val_if_fail (step != 0.0, NULL);
 
-  spin_button = g_object_new (GTK_TYPE_SPIN_BUTTON, NULL);
+  spin_button = g_object_new (GIMP_TYPE_SPIN_BUTTON, NULL);
 
   adjustment = gtk_adjustment_new (min, min, max, step, 10.0 * step, 0.0);