Tweak www/squid version 3.4.8_2
Tweak net/py-pysendfile version 2.0.0_1
Update multimedia/lsdvd to version 0.17
Update multimedia/mpv to version 0.6.2,1
Tweak math/plplot version 5.10.0_3
Tweak math/py-numeric version 24.2_3