Change the NSStringStruct.Flags to be 0x010007d1 which is non-constant, RefCount=1 instead of Constant and add a guard to track down cases where the framework is retaining instead of copying
Change the NSStringStruct.Flags to be 0x010007d1 which is non-constant, RefCount=1 instead of Constant and add a guard to track down cases where the framework is retaining instead of copying

cwensley/maccore,mono/maccore,jorik041/maccore