Abort module load if config can't be opened. Refs FS-4438

src/mod/event_handlers/mod_cdr_mongodb/conf/autoload_configs/cdr_mongodb.conf.xml

 <configuration name="cdr_mongodb.conf" description="MongoDB CDR logger">
   <settings>
-    <!-- Hostnames and IPv6 addrs not supported (yet) -->
+    <!-- IPv6 addresses not supported (yet) -->
     <param name="host" value="127.0.0.1"/>
     <param name="port" value="27017"/>
 

src/mod/event_handlers/mod_cdr_mongodb/mod_cdr_mongodb.c

@@ -360,7 +360,8 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_cdr_mongodb_load)
 	memset(&globals, 0, sizeof(globals));
 	globals.pool = pool;
 	if (load_config(pool) != SWITCH_STATUS_SUCCESS) {
-		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "Unable to load or parse config!\n");
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Unable to load or parse config!\n");
+		return SWITCH_STATUS_FALSE;
 	}
 
 	db_status = mongo_connect(globals.mongo_conn, globals.mongo_host, globals.mongo_port);