fix compile error with MSVC
fix compile error with MSVC

hhsprings/cython,encukou/cython,JelleZijlstra/cython,slonik-az/cython,ChristopherHogan/cython,acrispin/cython,mrGeen/cython,mrGeen/cython,c-blake/cython,marscher/cython,dahebolangkuan/cython,encukou/cython,mcanthony/cython,hickford/cython,hickford/cython,slonik-az/cython,achernet/cython,acrispin/cython,madjar/cython,c-blake/cython,c-blake/cython,JelleZijlstra/cython,fabianrost84/cython,marscher/cython,slonik-az/cython,acrispin/cython,slonik-az/cython,ChristopherHogan/cython,da-woods/cython,encukou/cython,encukou/cython,scoder/cython,madjar/cython,marscher/cython,dahebolangkuan/cython,achernet/cython,roxyboy/cython,andreasvc/cython,achernet/cython,acrispin/cython,mcanthony/cython,encukou/cython,hickford/cython,achernet/cython,fabianrost84/cython,hhsprings/cython,mcanthony/cython,achernet/cython,dahebolangkuan/cython,scoder/cython,andreasvc/cython,JelleZijlstra/cython,hhsprings/cython,hickford/cython,cython/cython,fperez/cython,fabianrost84/cython,scoder/cython,madjar/cython,da-woods/cython,hickford/cython,JelleZijlstra/cython,da-woods/cython,cython/cython,JelleZijlstra/cython,fperez/cython,c-blake/cython,roxyboy/cython,cython/cython,roxyboy/cython,mrGeen/cython,mrGeen/cython,acrispin/cython,cython/cython,marscher/cython,dahebolangkuan/cython,madjar/cython,roxyboy/cython,mrGeen/cython,hhsprings/cython,fperez/cython,hhsprings/cython,madjar/cython,fperez/cython,fperez/cython,roxyboy/cython,fabianrost84/cython,mcanthony/cython,c-blake/cython,andreasvc/cython,mcanthony/cython,da-woods/cython,andreasvc/cython,marscher/cython,slonik-az/cython,dahebolangkuan/cython,andreasvc/cython,fabianrost84/cython,scoder/cython,ChristopherHogan/cython