Rework a function to more clearly show the parallelism between two things it does.  No functional change.
Rework a function to more clearly show the parallelism between two things
it does.  No functional change.

* subversion/libsvn_fs_fs/fs_fs.c
  (commit_body): Refactor.  No functional change.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1144528 13f79535-47bb-0310-9956-ffa450edef68

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