Merged revisions 316215 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

........
  r316215 | dvossel | 2011-05-03 13:49:48 -0500 (Tue, 03 May 2011) | 9 lines
  
  Fixes a random crash (NULL reference) in res_odbc.c.
  
  (closes issue #19180)
  Reported by: pruiz
  Patches: 
        tmp.diff uploaded by pruiz (license 1152)
  Tested by: pruiz, seanbright
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@316216 65c4cc65-6c06-0410-ace0-fbb531ad65f3