Fix a memory bug revealed by valgrind.
Fix a memory bug revealed by valgrind.

* subversion/tests/libsvn_fs/fs-test.c (reopen_trivial_transaction): Txn
  name must persist until the second open.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion