install_prereq: Update OpenBSD libraries.

deleted
 jack sqlite

renamed
 freetds-0.63p1-msdblib to freetds
 mysql-client to mariadb-client

added
 bison bzip2 c-client doxygen e2fsprogs graphviz gsm libical jansson libltdl
 lua neon net-snmp libsrtp portaudio-svn postgresql-client python speexdsp
 subversion uriparser xmlstarlet
 fftw3 libsndfile

ASTERISK-27684

Change-Id: I26bdcb0a1d0e484a8dad1052da97f194aefd3370