Because mod_imap's handler runs on every request in the default

configuration, rearrange the code to keep it from allocating a few
pages worth of local variables on the stack on requests that don't
use imagemaps


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@94849 13f79535-47bb-0310-9956-ffa450edef68