Fix a memory leak in the case that /dev/null cannot be

opened when running startup commands from cli.conf

(closes issue #13066)
Reported by: eliel
Patches:
      asterisk.c.patch uploaded by eliel (license 64)



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@130854 65c4cc65-6c06-0410-ace0-fbb531ad65f3