[gimp] libgimpwidgets: fix arithmetic-expression supprot in GimpSizeEntry

[Ell <ell src gnome org>]

commit 81a361be73abdae9e50616174289ece96fd0ce6a
Author: Ell <ell_se yahoo com>
Date:   Mon Mar 11 12:35:00 2019 -0400

    libgimpwidgets: fix arithmetic-expression supprot in GimpSizeEntry
    
    ... after commit 8b3c7ae1930e30ba7f760e5371346e32bb6fda20.

 libgimpwidgets/gimpsizeentry.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/libgimpwidgets/gimpsizeentry.c b/libgimpwidgets/gimpsizeentry.c
index 8178a55522..5d435293ab 100644
--- a/libgimpwidgets/gimpsizeentry.c
+++ b/libgimpwidgets/gimpsizeentry.c
@@ -1348,9 +1348,9 @@ gimp_size_entry_attach_eevl (GtkSpinButton      *spin_button,
   gtk_spin_button_set_numeric (spin_button, FALSE);
   gtk_spin_button_set_update_policy (spin_button, GTK_UPDATE_IF_VALID);
 
-  g_signal_connect (spin_button, "input",
-                    G_CALLBACK (gimp_size_entry_eevl_input_callback),
-                    gsef);
+  g_signal_connect_after (spin_button, "input",
+                          G_CALLBACK (gimp_size_entry_eevl_input_callback),
+                          gsef);
 }
 
 static gint