pgsql: Make the psql line counter 64-bit so it can handle files > 4gig

Log Message:
-----------
Make the psql line counter 64-bit so it can handle files > 4gig lines.

David Fetter

Modified Files:
--------------
    pgsql/src/bin/psql:
        common.c (r1.122 -> r1.123)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/common.c.diff?r1=1.122&r2=1.123)
        mainloop.c (r1.81 -> r1.82)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/mainloop.c.diff?r1=1.81&r2=1.82)
        settings.h (r1.27 -> r1.28)
        (http://developer.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/settings.h.diff?r1=1.27&r2=1.28)