that load_module() will return AST_MODULE_LOAD_DECLINE. Otherwise, the console
will just get spammed with error messages every time chan_sip tries to send a
message.
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@54204 65c4cc65-6c06-0410-ace0-fbb531ad65f3