#2 fixes getxopt call, om_mysql.c, FreeBSD support

[David P Kirchner]

The tarball found on this site had some build problems,
this patch addresses them.

1) getxopt call was missing several flags

Updated the call in syslogd.c to add -u, -p, and
-a, as were called "legacy" options in the source, and
as was seen in usage().

2) om_mysql.c was missing "om_mysql_flush".

Copied it from om_classic_flush

3) configure problems on FreeBSD

Swapped sys/types.h and sys/socket.h in configure
and configure.in, as sys/types.h needs to be loaded first.

4) im_bsd.c updated to handle kernel logging

_PATH_UNIX is unused on FreeBSD, added some ifdef
goodness to change it to "kernel".

[David P Kirchner]

patch for v1.08g