Fix typo in status format.

Change-Id: I4e8d5ca2a91595ba1ae3aaba4e64dd1b75665027
Reviewed-on: https://review.openstack.org/10972
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: James E. Blair <corvus@inaugust.com>
Reviewed-by: James E. Blair <corvus@inaugust.com>
Tested-by: James E. Blair <corvus@inaugust.com>
diff --git a/zuul/scheduler.py b/zuul/scheduler.py
index ee32d31..d08e345 100644
--- a/zuul/scheduler.py
+++ b/zuul/scheduler.py
@@ -358,7 +358,7 @@
             s = 'Pipeline: %s' % pipeline.name
             ret += s + '\n'
             ret += '-' * len(s) + '\n'
-            ret += pipeline.formatStatusHTML()
+            ret += pipeline.manager.formatStatusHTML()
             ret += '\n'
         ret += '</pre></html>'
         return ret