merge this from 2.1-dev:

      Fix a misleading message from the some of the threaded MPMs when
      MaxClients has to be lowered due to the setting of ServerLimit.

Reviewed by:	stoddard, brianp


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/APACHE_2_0_BRANCH@101170 13f79535-47bb-0310-9956-ffa450edef68