Use CGPathAddArcToPoint instead of CGPathAddQuadCurveToPoint
Use CGPathAddArcToPoint instead of CGPathAddQuadCurveToPoint

The corners were not correct, but with a light gradient this was hard to see.

Before: http://cl.ly/1h33400w0516123O100J
After: http://cl.ly/1J3Q402F2p3y1v0g2X0w
xvtom/INAppStoreWindow,indragiek/INAppStoreWindow,sdesimone/INAppStoreWindow,cparnot/INAppStoreWindow,indragiek/INAppStoreWindow,cparnot/INAppStoreWindow,sdesimone/INAppStoreWindow,appden/INAppStoreWindow,appden/INAppStoreWindow,xvtom/INAppStoreWindow