Windows: fix compatibility in the C API for py 3.
Windows: fix compatibility in the C API for py 3.

stupidcache/psutil,google-code-export/psutil,peter-hst/psutil,vmolsa/psutil,kiranvizru/psutil,AlanZatarain/psutil,stupidcache/psutil,vmolsa/psutil,huson2012/psutil,djhaskin987/psutil,kiranvizru/psutil,Alwnikrotikz/psutil,kiranvizru/psutil,zhengzheng/psutil,shiva21/psutil,skyshe/psutil,chjwang/psutil,AlanZatarain/psutil,google-code-export/psutil,creativewild/psutil,jucapj/psutil,anfedorov/psutil,end18/psutil,PFZheng/psutil,skyshe/psutil,djhaskin987/psutil,djhaskin987/psutil,vmolsa/psutil,creativewild/psutil,google-code-export/psutil,chjwang/psutil,PFZheng/psutil,zhengzheng/psutil,anfedorov/psutil,djhaskin987/psutil,nmani1905/psutil,marmolu/psutil,tigerneil/psutil,kiranvizru/psutil,tigerneil/psutil,shiva21/psutil,google-code-export/psutil,end18/psutil,end18/psutil,vmolsa/psutil,tigerneil/psutil,Alwnikrotikz/psutil,peter-hst/psutil,skyshe/psutil,tigerneil/psutil,huson2012/psutil,skyshe/psutil,stupidcache/psutil,marmolu/psutil,huson2012/psutil,end18/psutil,nmani1905/psutil,jucapj/psutil,creativewild/psutil