Follow-up to r1555491: Apply a similar patch to FSX.
Follow-up to r1555491: Apply a similar patch to FSX.

* subversion/libsvn_fs_x/tree.c
  (make_txn_root): Use the correct pool.

git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1555625 13f79535-47bb-0310-9956-ffa450edef68

YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion,YueLinHo/Subversion