Asterisk 13.x: Add depensies for chan_sip

Add the depensies for the chan_sip modul bacause chan_sip dos not function with out it.

Signed-off-by: Sven Pietack <redfox1977@users.noreply.github.com>

net/asterisk-13.x/Makefile

@@ -347,7 +347,7 @@ $(eval $(call BuildAsterisk13Module,func-shell,Shell,support for shell execution
 $(eval $(call BuildAsterisk13Module,func-uri,URI encoding and decoding,Encodes and decodes URI-safe strings,,,func_uri,,))
 $(eval $(call BuildAsterisk13Module,func-vmcount,vmcount dialplan,a vmcount dialplan function,,,func_vmcount,,))
 $(eval $(call BuildAsterisk13Module,chan-iax2,IAX2 channel,IAX support,+asterisk13-res-timing-timerfd,iax.conf iaxprov.conf,chan_iax2,,))
-$(eval $(call BuildAsterisk13Module,chan-sip,SIP channel,the channel chan_sip,,sip.conf sip_notify.conf,chan_sip,,))
+$(eval $(call BuildAsterisk13Module,chan-sip,SIP channel,the channel chan_sip,+asterisk13-app-confbridge,sip.conf sip_notify.conf,chan_sip,,))
 $(eval $(call BuildAsterisk13Module,chan-skinny,Skinny channel,the channel chan_skinny,,skinny.conf,chan_skinny,,))
 $(eval $(call BuildAsterisk13Module,chan-unistim,Unistim channel,channel driver for the UNISTIM (Unified Networks IP Stimulus) protocol,,unistim.conf,chan_unistim,,))
 $(eval $(call BuildAsterisk13Module,odbc,ODBC,ODBC support,+libpthread +libc +unixodbc,cdr_adaptive_odbc.conf cdr_odbc.conf cel_odbc.conf func_odbc.conf res_odbc.conf,cdr_adaptive_odbc cdr_odbc cel_odbc func_odbc res_config_odbc res_odbc,,))