Fix Cast that Xcode 6.4 complains about
Fix Cast that Xcode 6.4 complains about
KILLI/TTTAttributedLabel,Voxer/TTTAttributedLabel,rtsbtx/TTTAttributedLabel,XZwalk/TTTAttributedLabel,Akylas/TTTAttributedLabel,hao-hua/TTTAttributedLabel,yimouleng/TTTAttributedLabel,mjhassan/TTTAttributedLabel,zhwcoder/TTTAttributedLabel,denivip/TTTAttributedLabel,mattt/TTTAttributedLabel,WWLJ/TTTAttributedLabel,buiminhhuy/TTTAttributedLabel,devandroid/TTTAttributedLabel,TimorCan/TTTAttributedLabel,yaoxiaoyong/TTTAttributedLabel,TTTAttributedLabel/TTTAttributedLabel,SampleLiao/TTTAttributedLabel,CoderIvanLee/TTTAttributedLabel,FishMemory/TTTAttributedLabel,hoaquo/TTTAttributedLabel,NewAmsterdamLabs/TTTAttributedLabel,sunzeboy/TTTAttributedLabel,z8927623/TTTAttributedLabel,zilanfeng/TTTAttributedLabel,engmahsa/TTTAttributedLabel,zhouwude/TTTAttributedLabel,lookingstars/TTTAttributedLabel,Nykho/TTTAttributedLabel