[sysadmin-bin] Document the fact new repositories are expected to be created in GitLab

[Andrea Veri <averi src gnome org>]

commit 0034dfa23e1b2bd6275b9399725bce2358b37ff4
Author: Andrea Veri <averi redhat com>
Date:   Tue May 29 12:13:10 2018 +0200

    Document the fact new repositories are expected to be created in GitLab

 run-git-or-special-cmd | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/run-git-or-special-cmd b/run-git-or-special-cmd
index 82ce519..a01ba45 100755
--- a/run-git-or-special-cmd
+++ b/run-git-or-special-cmd
@@ -80,7 +80,7 @@ def rungitcommand(args):
         cmd = [special_cmds[args[0]]]
         cmd.extend(args[1:])
     else:
-        print >>sys.stderr, 'Unknown or disallowed command.'
+        print >>sys.stderr, 'New repositories are now expected to be created at 
https://gitlab.gnome.org/GNOME'
         sys.exit(1)
 
     os.execv(cmd[0], cmd)