* .gdbinit: improve dump_allocator, add dump_one_pool.

        trunk patch: http://svn.apache.org/viewvc?view=revision&revision=1352909
        2.4.x patch: trunk patch works
        +1: rjung, jorton, jim



git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/branches/2.4.x@1365529 13f79535-47bb-0310-9956-ffa450edef68