Removed unused Windows structures left behind in the previous commit.
Removed unused Windows structures left behind in the previous commit.

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