set the hostname core variable in switch_core_init too

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@14726 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_core.c

@@ -1160,6 +1160,7 @@ SWITCH_DECLARE(switch_status_t) switch_core_init(switch_core_flag_t flags, switc
 	char *dir_path;
 	int mask = 0;
 	struct in_addr in;
+	char hostname[256] = "";
 
 	memset(&runtime, 0, sizeof(runtime));
 
@@ -1219,6 +1220,9 @@ SWITCH_DECLARE(switch_status_t) switch_core_init(switch_core_flag_t flags, switc
 		runtime.console = stdout;
 	}
 
+	gethostname(hostname, sizeof(hostname));
+	switch_core_set_variable("hostname", hostname);
+
 	switch_find_local_ip(guess_ip, sizeof(guess_ip), &mask, AF_INET);
 	switch_core_set_variable("local_ip_v4", guess_ip);
 	in.s_addr = mask;