FS-6821 mod_gsmopen: fix interface name in log

Fix interface name for logs emitted from mod_gsmopen.cpp during startup

src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp

@@ -1486,8 +1486,6 @@ static switch_status_t load_config(int reload_type)
 				memset(&newconf, '\0', sizeof(newconf));
 				globals.GSMOPEN_INTERFACES[interface_id] = newconf;
 
-				tech_pvt = &globals.GSMOPEN_INTERFACES[interface_id];
-
 				switch_mutex_init(&globals.GSMOPEN_INTERFACES[interface_id].controldev_lock, SWITCH_MUTEX_NESTED, gsmopen_module_pool);
 				switch_mutex_init(&globals.GSMOPEN_INTERFACES[interface_id].controldev_audio_lock, SWITCH_MUTEX_NESTED, gsmopen_module_pool);
 
@@ -1600,6 +1598,8 @@ static switch_status_t load_config(int reload_type)
 			int res = 0;
 			int interface_id = i;
 
+			tech_pvt = &globals.GSMOPEN_INTERFACES[interface_id];
+
 			if (strlen(globals.GSMOPEN_INTERFACES[i].name) && !globals.GSMOPEN_INTERFACES[i].active) {
 
 				WARNINGA("STARTING interface_id=%u\n", GSMOPEN_P_LOG, interface_id);