Update ap2-fcgid to 2.3.7.

Changes with mod_fcgid 2.3.7

  *) Introduce FcgidWin32PreventOrphans directive on Windows to use OS
    Job Control Objects to terminate all running fcgi's when the worker
    process has been abruptly terminated. PR: 51078
    [Thangaraj AntonyCrouse <thangaraj gmail.com>]

  *) Periodically clean out the brigades which are pulling in the request
    body for handoff to the fcgid child. PR: 51749
    [Dominic Benson <dominic.benson thirdlight.com>]

  *) Resolve crash during graceful restarts. PR 50309
    [Mario Brandt <JBlond gmail.com>]

  *) Solve latency/cogestion of resolving effective user file access rights
    when no such info is desired, for config related filename stats.
    PR: 51020 [Thangaraj AntonyCrouse <thangaraj gmail.com>, William Rowe]

  *) Fix regression in 2.3.6 which broke process controls when using vhost-
    specific configuration.  [Jeff Trawick]

  *) Account for first process in class in the spawn score.  [Jeff Trawick]

(taca)