fix bug in psutil.Popen
fix bug in psutil.Popen

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