Fix typo already fixed in trunk (missing part of r1648557 ; the other fixes...

Fix typo already fixed in trunk (missing part of r1648557 ; the other fixes have been done in r1648559)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1657970 13f79535-47bb-0310-9956-ffa450edef68