[jhbuild] [buildbot] don't choke on MetaModule when detecting changes

[Frederic Peters <fpeters src gnome org>]

commit 017c7c1e4a610a9c9b0ec5ebcf40483c2a87cb2b
Author: Frédéric Péters <fpeters 0d be>
Date:   Mon Jan 10 11:25:23 2011 +0100

    [buildbot] don't choke on MetaModule when detecting changes

 jhbuild/buildbot/changes.py |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/jhbuild/buildbot/changes.py b/jhbuild/buildbot/changes.py
index 9543693..98dc410 100644
--- a/jhbuild/buildbot/changes.py
+++ b/jhbuild/buildbot/changes.py
@@ -132,7 +132,7 @@ class GnomeMaildirSource(MaildirSource):
         # some modules may have alternate checkouts under different names, look
         # for those, and create appropriate Change objects
         for module in self.modules:
-            if isinstance(module.branch, GitBranch):
+            if hasattr(module, 'branch') and isinstance(module.branch, GitBranch):
                 git_module_name = module.branch.module.rsplit('/', 1)[-1]
                 if module.name != project and git_module_name == project:
                     change = changes.Change(name, files, comments, isdir,