those who lock, should also unlock...

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@5450 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/event_handlers/mod_cdr/basecdr.cpp

@@ -341,6 +341,7 @@ void BaseCDR::process_channel_variables(const std::list<std::string>& stringlist
 			tempstring_second = (char *) val;
 			chanvars_supp[tempstring_first] = tempstring_second;
 		}
+		switch_channel_variable_last(channel);
 	}
 	else
 	{