Ensure that all parts of SQL UPDATEs and DELETEs are encoded.

Patches:
	res_config_odbc.patch by John Hardin (License #6512)
........

Merged revisions 413304 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@413305 65c4cc65-6c06-0410-ace0-fbb531ad65f3