[gtk] search entry: Fix a copy-paste error

[Matthias Clasen <matthiasc src gnome org>]

commit b79545e83c153df9477cd148cc765f220bcf8e95
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Mar 3 22:55:34 2019 -0500

    search entry: Fix a copy-paste error

 gtk/gtksearchentry.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gtk/gtksearchentry.c b/gtk/gtksearchentry.c
index eeeb618df5..fd6dfed05f 100644
--- a/gtk/gtksearchentry.c
+++ b/gtk/gtksearchentry.c
@@ -258,7 +258,7 @@ gtk_search_entry_grab_focus (GtkWidget *widget)
   gtk_text_grab_focus_without_selecting (GTK_TEXT (priv->entry));
 }
 
-static void
+static gboolean
 gtk_search_entry_mnemonic_activate (GtkWidget *widget,
                                     gboolean   group_cycling)
 {