Fixed the following warnings on FreeBSD:
Fixed the following warnings on FreeBSD:

[root@freebsd /home/user/psutil]# ./clean.sh | grep warning
psutil/_psutil_bsd.c: In function 'get_avail_phymem':
psutil/_psutil_bsd.c:345: warning: unused variable 'used_mem'
psutil/_psutil_bsd.c:343: warning: unused variable 'v_active_count'
psutil/_psutil_bsd.c:339: warning: unused variable 'totals'
psutil/_psutil_bsd.c:338: warning: unused variable 'len'
psutil/_psutil_bsd.c:337: warning: unused variable 'mib'

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