Log Message:
-----------
Show proper error message when trying to create a user with a username longer than 20 characters. (Windows SAM only supports 20 characters)
Modified Files:
--------------
pginst/ca:
pginstca.c (r1.92 -> r1.93)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/pginstca.c.diff?r1=1.92&r2=1.93)