previous commit broke numpy buffer access for Py<=2.4
previous commit broke numpy buffer access for Py<=2.4

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