*: rename ATTRIBUTE_XXX to just XXX.

networking/udhcp/arpping.c

@@ -30,7 +30,7 @@ struct arpMsg {
 	uint8_t  tHaddr[6];     /* 20 target's hardware address */
 	uint8_t  tInaddr[4];    /* 26 target's IP address */
 	uint8_t  pad[18];       /* 2a pad for min. ethernet payload (60 bytes) */
-} ATTRIBUTE_PACKED;
+} PACKED;
 
 enum {
 	ARP_MSG_SIZE = 0x2a