fix C++ warnings
fix C++ warnings

--HG--
extra : amend_source : 04828c16faf5af6bf7203a7ae59ad1f365cb5699

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