[gnome-applets/wip/muktupavels/werror] trash: fix -Wdiscarded-qualifiers warning

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 4550d430a00c54632d2dc734eb2f9ab515a8fae6
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Apr 4 22:47:23 2020 +0300

    trash: fix -Wdiscarded-qualifiers warning

 gnome-applets/trash/trash-applet.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/gnome-applets/trash/trash-applet.c b/gnome-applets/trash/trash-applet.c
index 6a833fe6b..22fa4f4cc 100644
--- a/gnome-applets/trash/trash-applet.c
+++ b/gnome-applets/trash/trash-applet.c
@@ -514,7 +514,7 @@ trash_applet_class_init (TrashAppletClass *self_class)
 static void
 trash_applet_init (TrashApplet *self)
 {
-  const GtkTargetEntry drop_types[] = { { "text/uri-list" } };
+  const GtkTargetEntry drop_types[] = { { (char *) "text/uri-list" } };
   const gchar *resource_name;
 
   /* needed to clamp ourselves to the panel size */