core:

Be less strict when checking whether Content-Type is set to "application/x-www-form-urlencoded" 
when parsing POST data, or we risk losing data with an appended charset.

PR 53698
Reported by: Petter Berntsen < sluggr gmail.com >

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1372054 13f79535-47bb-0310-9956-ffa450edef68