[gtk-osx] Set repository for gtk-doc, earlier converted to git from tarball.

[John Ralls <jralls src gnome org>]

commit 47991216cdd4273d5126b086b2ec1cbe0a578b7a
Author: John Ralls <jralls ceridwen us>
Date:   Tue Nov 6 10:52:00 2012 -0800

    Set repository for gtk-doc, earlier converted to git from tarball.

 modulesets-unstable/gtk-osx-bootstrap.modules |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/modulesets-unstable/gtk-osx-bootstrap.modules b/modulesets-unstable/gtk-osx-bootstrap.modules
index 63e5a43..e0b2831 100644
--- a/modulesets-unstable/gtk-osx-bootstrap.modules
+++ b/modulesets-unstable/gtk-osx-bootstrap.modules
@@ -138,7 +138,7 @@
 
   <autotools id="gtk-doc" autogenargs="--disable-scrollkeeper --with-xml-catalog=$JHBUILD_PREFIX/etc/xml/catalog"
 	     makeargs="-k -i" makeinstallargs="-k -i install">
-    <branch/>
+    <branch repo="git.gnome.org"/>
     <dependencies>
       <dep package="gtk-osx-docbook"/>
       <dep package="gnome-doc-utils"/>