Changed two warnings to errors.
Changed two warnings to errors.

frumiousbandersnatch/supybot-code,Ban3/Limnoria,jeffmahoney/supybot,ProgVal/Limnoria-test,haxwithaxe/supybot,Ban3/Limnoria,mazaclub/mazabot-core,buildbot/supybot,raboof/supybot,prashantpawar/supybot-rothbot,kblin/supybot-gsoc,ProgVal/Limnoria-test,mazaclub/mazabot-core