Apply a fix similar to 6b16991 'ps -p', no space before dash-p option args; also needed for the '-o' option of ps.  Tested on Ubuntu 11.04 vm.  Without this fix, the passenger logfile grows out of control.
Merge pull request #94 from walquis/master

Apply a fix similar to 6b16991 'ps -p', no space before dash-p option ar...