Use apr_pcalloc in the 'create' function. All the fields are initialized in...

Use apr_pcalloc in the 'create' function. All the fields are initialized in the 'init' function, but it is It is cleaner and more future proof.

Small style correction (remove extra spaces)

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1828624 13f79535-47bb-0310-9956-ffa450edef68