[gtk-osx] Fix typo in iso-codes tarball url.

[John Ralls <jralls src gnome org>]

commit 624335e5f105eb9f9fdaa6a441d356d3bfb0755c
Author: John Ralls <jralls ceridwen us>
Date:   Tue Oct 23 21:23:08 2018 -0700

    Fix typo in iso-codes tarball url.

 modulesets-stable/gtk-osx-unsupported.modules | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/modulesets-stable/gtk-osx-unsupported.modules b/modulesets-stable/gtk-osx-unsupported.modules
index 4a8aaf9..98bf2b7 100644
--- a/modulesets-stable/gtk-osx-unsupported.modules
+++ b/modulesets-stable/gtk-osx-unsupported.modules
@@ -6,7 +6,7 @@
               href="http://ftp.gnome.org/pub/GNOME/sources/"/>
   <repository type='tarball' name='gnupg.org' href="https://gnupg.org/ftp/"; />
   <repository type="tarball" name="iso-codes"
-             href="http://salsa.debian.org/iso-codes-team/iso-codes/-/archive"/>
+             href="http://salsa.debian.org/iso-codes-team/iso-codes/-/archive/"/>
   <repository type='tarball' name='github-tarball'
               href='https://github.com/'/>
   <repository type="tarball" name="curl.haxx.se"