SizeType set fix

and also bug in cocos2d may be you can send this changes to them 

diff --git a/cocos2d/CCLabelTTF.m b/cocos2d/CCLabelTTF.m
index 46316ee..b31c9bd 100644
--- a/cocos2d/CCLabelTTF.m
+++ b/cocos2d/CCLabelTTF.m
@@ -488,7 +488,7 @@ static __strong NSMutableDictionary* ccLabelTTF_registeredFonts;
     originalDimensions.width *= scale;
     originalDimensions.height *= scale;
     
-    CGSize dimensions = originalDimensions;
+    CGSize dimensions = [self convertContentSizeToPoints:originalDimensions type:_dimensionsType];
     
     float shadowBlurRadius = _shadowBlurRadius * scale;
     CGPoint shadowOffset = ccpMult(self.shadowOffsetInPoints, scale);