[gnome-applets] charpick: fix help uri

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 7e308a6b8ca441d35e87f74f8567fb39f06244bd
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sat Dec 22 18:38:08 2018 +0200

    charpick: fix help uri

 charpick/src/charpick.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/charpick/src/charpick.c b/charpick/src/charpick.c
index cb83e6240..e8ea46aaa 100644
--- a/charpick/src/charpick.c
+++ b/charpick/src/charpick.c
@@ -562,7 +562,7 @@ help_cb (GSimpleAction *action,
   GError *error = NULL;
 
   gtk_show_uri (gtk_widget_get_screen (GTK_WIDGET (curr_data->applet)),
-                "ghelp:char-palette",
+                "help:char-palette",
                 gtk_get_current_event_time (),
                 &error);