pginstaller - pginst: Use SSPI instead of LogonUser() to check if the

Log Message:
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Use SSPI instead of LogonUser() to check if the entered account is correct. Required on <= win2000.

Modified Files:
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pginst/ca:
Makefile (r1.3 -> r1.4)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/Makefile.diff?r1=1.3&amp;r2=1.4)
pginstca.c (r1.7 -> r1.8)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/pginstca.c.diff?r1=1.7&amp;r2=1.8)

Added Files:
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pginst/ca:
sspi.c (r1.1)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/sspi.c?rev=1.1&amp;content-type=text/x-cvsweb-markup)