Fix test_windows_pid_4 for Windows 7
Fix test_windows_pid_4 for Windows 7

git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@438 d8a29897-7e4b-0410-a74a-8bb4c295346f

elventear/psutil,elventear/psutil