*: rename ATTRIBUTE_XXX to just XXX.

diff --git a/networking/traceroute.c b/networking/traceroute.c
index 6a53734..f16fc79 100644
--- a/networking/traceroute.c
+++ b/networking/traceroute.c
@@ -273,7 +273,7 @@
 	unsigned char seq;             /* sequence number of this packet */
 	unsigned char ttl;             /* ttl packet left with */
 // UNUSED. Retaining to have the same packet size.
-	struct timeval tv_UNUSED ATTRIBUTE_PACKED; /* time packet left */
+	struct timeval tv_UNUSED PACKED; /* time packet left */
 } outdata_t;
 
 struct IFADDRLIST {