Merged revisions 326689 via svnmerge from

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

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  r326689 | jrose | 2011-07-07 11:04:51 -0500 (Thu, 07 Jul 2011) | 10 lines
  
  res_odbc patch by tilghman to fix integers with null values
  
  Addresses some improper sql statements in res_odbc that would cause an update to fail on
  realtime peers due to trying to set as "(NULL)" rather than an actual NULL.
  
  (closes issue #1922STERISK-17791)
  Reported by: marcelloceschia
  Patches: 
        20110505__issue19223.diff.txt uploaded by tilghman (license 14)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@326694 65c4cc65-6c06-0410-ace0-fbb531ad65f3