[gnome-maps/wip/mlundblad/cleanup-gtk-deprecations: 4/8] routeEntry: Stop using GtkContainer add method

[Marcus Lundblad <mlundblad src gnome org>]

commit 64a40f1edf84244d1da200abf96b81b112d5ac17
Author: Marcus Lundblad <ml update uu se>
Date:   Thu Mar 25 21:58:25 2021 +0100

    routeEntry: Stop using GtkContainer add method
    
    In preparation for GTK 4 use class-specific methods
    to add and remove children when possible.

 src/routeEntry.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/src/routeEntry.js b/src/routeEntry.js
index ac2e2783..c2b62fc7 100644
--- a/src/routeEntry.js
+++ b/src/routeEntry.js
@@ -55,7 +55,7 @@ var RouteEntry = GObject.registerClass({
         super._init(params);
 
         this.entry = this._createEntry();
-        this._entryGrid.add(this.entry);
+        this._entryGrid.attach(this.entry, 0, 0, 1, 1);
 
         // There is no GdkWindow on the widget until it is realized
         this._icon.connect('realize', function(icon) {