setup.py: add SunOS/Solaris to classifiers
setup.py: add SunOS/Solaris to classifiers

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