[gnome-applets/wip/muktupavels/werror] tracker-search-bar: fix -Wsign-compare warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit e740346b11577c21354e85dd8d63434006055645
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Apr 4 22:36:45 2020 +0300

    tracker-search-bar: fix -Wsign-compare warning

 gnome-applets/tracker-search-bar/tracker-applet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-applets/tracker-search-bar/tracker-applet.c 
b/gnome-applets/tracker-search-bar/tracker-applet.c
index 4b5f80e7b..76c7ba3ce 100644
--- a/gnome-applets/tracker-search-bar/tracker-applet.c
+++ b/gnome-applets/tracker-search-bar/tracker-applet.c
@@ -47,7 +47,7 @@ struct _TrackerApplet
 
   GtkOrientation  orient;
   GdkPixbuf      *icon;
-  guint           size;
+  gint            size;
 };
 
 G_DEFINE_TYPE (TrackerApplet, tracker_applet, GP_TYPE_APPLET)