RSS: Ensure results is declared before trying to access it

Signed-off-by: James McCoy <jamessan@users.sourceforge.net>

plugins/RSS/plugin.py

@@ -222,6 +222,7 @@ class RSS(callbacks.Plugin):
             # and DoS the website in question.
             self.acquireLock(url)
             if self.willGetNewFeed(url):
+                results = {}
                 try:
                     self.log.debug('Downloading new feed from %u', url)
                     results = feedparser.parse(url)