Fix output corruption bug introduced by buffer overflow fixes.

Reviewed by: Randy Terbush, Marc Slemko, Rasmus Lerdorf
Submitted by: Dean Gaudet


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/1.3.x@77522 13f79535-47bb-0310-9956-ffa450edef68