Fix pool usage issues in FSX verification code.
Fix pool usage issues in FSX verification code.

* subversion/libsvn_fs_x/verify.c
  (compare_p2l_to_l2p_index): Nested loops require seperate iterpools.
                              Clean those pools properly.
  (compare_p2l_to_rev): Within a loop, use the ITERPOOL for temporaries.


git-svn-id: f8a4e5e023278da1e04e203c7fe051e3c4285d88@1651548 13f79535-47bb-0310-9956-ffa450edef68

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