fix test/_linux.py's test_cpu_times failing due to a incorrect regular expression. (patch by arfrever, issue 420)
fix test/_linux.py's test_cpu_times failing due to a incorrect regular expression. (patch by arfrever, issue 420)

mrjefftang/psutil,jorik041/psutil,landryb/psutil,mrjefftang/psutil,qbit/psutil,mrjefftang/psutil,mindw/psutil,cloudbase/psutil,msarahan/psutil,cloudbase/psutil,tomprince/psutil,msarahan/psutil,jamesblunt/psutil,msarahan/psutil,giampaolo/psutil,mindw/psutil,packages/psutil,Q-Leap-Networks/psutil,jamesblunt/psutil,0-wiz-0/psutil,qbit/psutil,tomprince/psutil,packages/psutil,giampaolo/psutil,tomprince/psutil,Q-Leap-Networks/psutil,tomprince/psutil,packages/psutil,mindw/psutil,cloudbase/psutil,landryb/psutil,landryb/psutil,0-wiz-0/psutil,landryb/psutil,mindw/psutil,jorik041/psutil,jamesblunt/psutil,qbit/psutil,jorik041/psutil,mindw/psutil,tomprince/psutil,landryb/psutil