Thread: pgsql: Issue psql connection warnings on connection start and via \c,

Log Message:
-----------
Issue psql connection warnings on connection start and via \c, per
observation by David Fetter.

Modified Files:
--------------
    pgsql/src/bin/psql:
        command.c (r1.191 -> r1.192)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/command.c?r1=1.191&r2=1.192)
        command.h (r1.30 -> r1.31)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/command.h?r1=1.30&r2=1.31)
        startup.c (r1.148 -> r1.149)
        (http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/startup.c?r1=1.148&r2=1.149)