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

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



git-svn-id: http://svn.asterisk.org/svn/asterisk/branches/1.8@413304 f38db490-d61c-443f-a65b-d21fe96a405b