Documentation fix.

src/mosquitto_broker.h

@@ -72,8 +72,7 @@ void mosquitto_log_printf(int level, const char *fmt, ...);
 /*
  * Function: mosquitto_client_address
  *
- * Retrieve the username associated with a client, or NULL if the client
- * provided no username.
+ * Retrieve the IP address of the client as a string.
  */
 const char *mosquitto_client_address(const struct mosquitto *client);
 

src/mosquitto_plugin.h

@@ -22,6 +22,7 @@ Contributors:
 #define MOSQ_ACL_NONE 0x00
 #define MOSQ_ACL_READ 0x01
 #define MOSQ_ACL_WRITE 0x02
+#define MOSQ_ACL_SUBSCRIBE 0x04
 
 #include <stdbool.h>