Fix 7 references to undefined variables, as spotted by pyflakes

(Bitbake rev: e1e4ccf203e38070eeafd31a622671996cff61a1)

Signed-off-by: Chris Larson <chris_larson@mentor.com>
Signed-off-by: Richard Purdie <rpurdie@linux.intel.com>

bitbake/lib/bb/runqueue.py

@@ -924,7 +924,7 @@ class RunQueue:
 
         if self.stats.total == 0:
             # nothing to do
-            self.state = runQueueCleanup
+            self.state = runQueueCleanUp
 
         while True:
             task = None