[sr-dev] Crash bug if Via header removed + changes applied

Don't ask me why anyone would want to do this, but, for simple stateful relay scenario: UAC --> Kamailio --> UAS This: remove_hf("Via"); msg_apply_changes(); will crash Kamailio: Feb 10 18:54:22 diminuendo-1 /usr/local/sbin/kamailio[30982]: ERROR: tm [t_lookup.c:540]: ERROR: t_lookup_request: no via Feb 10 18:54:22 diminuendo-1 /usr/local/sbin/kamailio[30981]: ALERT: <core> [main.c:741]: child process 30982 exited by a signal 11 -- Alex Balashov - Principal Evariste Systems LLC 260 Peachtree Street NW Suite 2200 Atlanta, GA 30303 Tel: +1-678-954-0670 Fax: +1-404-961-1892 Web: http://www.evaristesys.com/