[gtk-osx] Fix still-broken update

[John Ralls <jralls src gnome org>]

commit c28b41931b785cc66dcf74d033dd91177b68cfc4
Author: John Ralls <jralls ceridwen us>
Date:   Sun Jun 23 14:58:09 2013 -0700

    Fix still-broken update
    
    by pulling before trying to checkout a revision that might not be in
    the repo

 gtk-osx-build-setup.sh |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/gtk-osx-build-setup.sh b/gtk-osx-build-setup.sh
index 457b504..306c751 100755
--- a/gtk-osx-build-setup.sh
+++ b/gtk-osx-build-setup.sh
@@ -75,6 +75,7 @@ else
     fi
     git checkout master
     git branch -D stable
+    git pull
     git checkout -b stable $JHBUILD_REVISION || \
        do_exit "Update of jhbuild failed";
     mv modulesets/bootstrap.modules modulesets/bootstrap.modules.dist;