Add missing ifdef-s for service maintenance message functionality

(closes issue #15614)
Reported by: fabled


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@209619 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/sig_pri.c

@@ -2465,6 +2465,7 @@ int pri_send_callrerouting_facility_exec(struct sig_pri_chan *p, enum ast_channe
 	return res;
 }
 
+#ifdef HAVE_PRI_SERVICE_MESSAGES
 int pri_maintenance_bservice(struct pri *pri, struct sig_pri_chan *p, int changestatus)
 {
 	int channel = PVT_TO_CHANNEL(p);
@@ -2472,5 +2473,6 @@ int pri_maintenance_bservice(struct pri *pri, struct sig_pri_chan *p, int change
 
 	return pri_maintenance_service(pri, span, channel, changestatus);
 }
+#endif
 
 #endif /* HAVE_PRI */

channels/sig_pri.h

@@ -256,6 +256,8 @@ void sig_pri_cli_show_span(int fd, int *dchannels, struct sig_pri_pri *pri);
 int pri_send_keypad_facility_exec(struct sig_pri_chan *p, const char *digits);
 int pri_send_callrerouting_facility_exec(struct sig_pri_chan *p, enum ast_channel_state chanstate, const char *destination, const char *original, const char *reason);
 
+#ifdef HAVE_PRI_SERVICE_MESSAGES
 int pri_maintenance_bservice(struct pri *pri, struct sig_pri_chan *p, int changestatus);
+#endif
 
 #endif /* _SIG_PRI_H */