* subversion/libsvn_repos/log.c   (do_merged_logs, get_combined_mergeinfo): Improve pool usage.  
* subversion/libsvn_repos/log.c
  (do_merged_logs, get_combined_mergeinfo): Improve pool usage.  


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@869361 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion,wbond/subversion,YueLinHo/Subversion,YueLinHo/Subversion,wbond/subversion,wbond/subversion