[gnumeric] Compilation: anticipate g_object_ref changes

[Morten Welinder <mortenw src gnome org>]

commit 413e78ab03ad49f3ad17b6eef7c5cc6c6583946d
Author: Morten Welinder <terra gnome org>
Date:   Mon Dec 11 12:49:25 2017 -0500

    Compilation: anticipate g_object_ref changes
    
    Going forward, g_object_ref will have a properly typed result.

 src/widgets/gnumeric-text-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/widgets/gnumeric-text-view.c b/src/widgets/gnumeric-text-view.c
index 44ae4a0..6353528 100644
--- a/src/widgets/gnumeric-text-view.c
+++ b/src/widgets/gnumeric-text-view.c
@@ -180,7 +180,7 @@ gtv_build_toggle_button (GtkWidget *tb,  GnmTextView *gtv,
 
        gtk_toolbar_insert (GTK_TOOLBAR (tb), tb_button, -1);
        g_signal_connect (G_OBJECT (tb_button), "toggled", cb, gtv);
-       return g_object_ref (tb_button);
+       return GTK_TOGGLE_TOOL_BUTTON (g_object_ref (tb_button));
 }
 
 static void