pgsql: Recent patch doesn't compile without <limits.h>

Log Message:
-----------
Recent patch doesn't compile without <limits.h>

Modified Files:
--------------
pgsql/src/bin/psql:
print.c (r1.102 -> r1.103)
(http://anoncvs.postgresql.org/cvsweb.cgi/pgsql/src/bin/psql/print.c?r1=1.102&amp;r2=1.103)