* htdbm/htpasswd: fix handling of crypt() failures.

Backports: r1346905
Submitted by: Paul Wouters <pwouters redhat.com>, jorton
Reviewed by: rjung, trawick, wrowe



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.2.x@1375698 13f79535-47bb-0310-9956-ffa450edef68