Follow up to r1330410: Fix a potential pipe leak.
Follow up to r1330410: Fix a potential pipe leak.

* subversion/libsvn_repos/hooks.c
  (run_hook_cmd): Always try to close the stdout pipe of the subprocess if
    it was opened. While here, fix space-before-paren.

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