When compiling with the latest Xcode 5 preview 3 I got the following errors: XYPieChart.m:444:22: Implicit conversion of C pointer type 'CGPathRef' (aka 'const struct CGPath *') to Objective-C pointer type 'NSString *' requires a bridged cast XYPieChart.m:444:22: Incompatible pointer types sending 'CGPathRef' (aka 'const struct CGPath *') to parameter of type 'NSString *'
When compiling with the latest Xcode 5 preview 3 I got the following errors:
XYPieChart.m:444:22: Implicit conversion of C pointer type 'CGPathRef' (aka 'const struct CGPath *') to Objective-C pointer type 'NSString *' requires a bridged cast
XYPieChart.m:444:22: Incompatible pointer types sending 'CGPathRef' (aka 'const struct CGPath *') to parameter of type 'NSString *'

This seems to fix it

edwinfinch/XYPieChart,lukaszmargielewski/XYPieChart,xyfeng/XYPieChart,UB12/X_Y,zuojx1013/XYPieChart,DSandfeld/XYPieChart,Farteen/XYPieChart,mattayasu/XYPieChart,natecope/XYPieChart,Jaelene/XYPieChart,damoncoo/XYPieChart,pmaccamp/XYPieChart,rollokb/XYPieChart,danydev/XYPieChart