security/ossec-hids-local: build fix as user [1]

While here:

• add new option PGSQL_SC ossec-hids-*-config [1]
• improved option descriptions [1]
• fix build with GCC-based architectures [2]

PR: 233168 [1]
PR: 233291 [2]
Submitted by: Dominik Lisiak <dominik.lisiak@bemsoft.pl> (maintainer) [1]
Submitted by: Piotr Kubaj <pkubaj@anongoth.pl> [2]
Approved by: Dominik Lisiak <dominik.lisiak@bemsoft.pl> (maintainer) [2]