fix [NSFileManager removeItemAtPath:error:] on windows
fix [NSFileManager removeItemAtPath:error:] on windows

cyclaero/cocotron,cyclaero/cocotron,cyclaero/cocotron,JackLian/cocotron,yuhangwang/cocotron,crystax/android-vendor-cocotron,guestOS/guestOS,cneira/cocotron,cyclaero/cocotron,crystax/android-vendor-cocotron,gemu2015/cocotron-sierra,Suninus/cocotron,cjwl/cocotron,gemu2015/cocotron-sierra,guestOS/guestOS,crystax/android-vendor-cocotron,ruppmatt/cocotron,gemu2015/cocotron-sierra,ruppmatt/cocotron,cjwl/cocotron,ruppmatt/cocotron,yuhangwang/cocotron,JackLian/cocotron,yuhangwang/cocotron,guestOS/guestOS,gemu2015/cocotron-sierra,crystax/android-vendor-cocotron,cneira/cocotron,ruppmatt/cocotron,cjwl/cocotron,guestOS/guestOS,JackLian/cocotron,Suninus/cocotron,JackLian/cocotron,yuhangwang/cocotron,cneira/cocotron,cjwl/cocotron,Suninus/cocotron,Suninus/cocotron,cneira/cocotron