[pgpool-committers: 5784] pgpool: Fix compile error on freebsd.

[Bo Peng]

Fix compile error on freebsd.

Add missing include file "netinet/in.h".

per bug519 and bug512.

Branch
------
V3_7_STABLE

Details
-------
https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=9c9ca7af088cb242d52bdc5d791c62c410792485

Modified Files
--------------
src/auth/pool_hba.c | 4 ++++
1 file changed, 4 insertions(+)