1st install extra/tsocks then install jobextra/tsocks 
here are the differences in contents

% pkg -Ql tsocks    

tsocks /usr/
tsocks /usr/bin/
tsocks /usr/bin/tsocks
tsocks /usr/lib/
tsocks /usr/lib/libtsocks.so
tsocks /usr/lib/libtsocks.so.1
tsocks /usr/lib/libtsocks.so.1.8
tsocks /usr/share/
tsocks /usr/share/man/
tsocks /usr/share/man/man1/
tsocks /usr/share/man/man1/tsocks.1.gz
tsocks /usr/share/man/man5/
tsocks /usr/share/man/man5/tsocks.conf.5.gz
tsocks /usr/share/man/man8/
tsocks /usr/share/man/man8/tsocks.8.gz
tsocks /usr/share/tsocks/
tsocks /usr/share/tsocks/tsocks.conf.complex.example
tsocks /usr/share/tsocks/tsocks.conf.simple.example

Package (1)  Old Version  New Version  Net Change

tsocks       1.8beta5-9   1.8beta5-09    0.66 MiB

Total Installed Size:  0.71 MiB
Net Upgrade Size:      0.66 MiB

% pkg -Ql tsocks    

tsocks /usr/
tsocks /usr/bin/
+tsocks /usr/bin/inspectsocks
tsocks /usr/bin/tsocks
+tsocks /usr/bin/tsocks-saveme
+tsocks /usr/bin/tsocks-validateconf
tsocks /usr/lib/
tsocks /usr/lib/libtsocks.so
tsocks /usr/lib/libtsocks.so.1
tsocks /usr/lib/libtsocks.so.1.8
tsocks /usr/share/
tsocks /usr/share/man/
tsocks /usr/share/man/man1/
tsocks /usr/share/man/man1/tsocks.1.gz
tsocks /usr/share/man/man5/
tsocks /usr/share/man/man5/tsocks.conf.5.gz
tsocks /usr/share/man/man8/
tsocks /usr/share/man/man8/tsocks.8.gz
tsocks /usr/share/tsocks/
tsocks /usr/share/tsocks/tsocks.conf.complex.example
tsocks /usr/share/tsocks/tsocks.conf.simple.example

