Removed pid_exists() check in get_process_info() since BSD seems to correctly  error out sysctl with ESRCH if the process goes away. OS X does not so the  check remains on OS X but we can remove from FreeBSD.
Removed pid_exists() check in get_process_info() since BSD seems to correctly 
error out sysctl with ESRCH if the process goes away. OS X does not so the 
check remains on OS X but we can remove from FreeBSD.



git-svn-id: 9f18dd852162ff6c59c5533c0914e9cf81af9e7c@193 d8a29897-7e4b-0410-a74a-8bb4c295346f

elventear/psutil,elventear/psutil