pginstaller - pginst: Disallow backslashes in superuser passwords, since

Log Message:
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Disallow backslashes in superuser passwords, since they can do
weird thing with escaping rules and generally break things.

Fixes pgfoundry bug #1010601

Tags:
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REL8_3_STABLE

Modified Files:
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pginst/ca:
pginstca.c (r1.119.2.8 -> r1.119.2.9)
(http://cvs.pgfoundry.org/cgi-bin/cvsweb.cgi/pginstaller/pginst/ca/pginstca.c.diff?r1=1.119.2.8&r2=1.119.2.9)