The diagnosis of the location of ndbm.h was broken for mod_rewrite and

mod_auth_dbm on some systems using glibc 2.2 (i.e. SuSE 7.1).

PR: 6929


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@88554 13f79535-47bb-0310-9956-ffa450edef68