Fix ntraceroute on 64-bit systems.

PR:		ports/103988
Submitted by:	fenner

net/ntraceroute/Makefile

@@ -19,15 +19,15 @@ COMMENT=	Ubiquitous network routing analysis tool
 
 WRKSRC=		${WRKDIR}
 
-NOMAN=		defined
+EXTRACT_CMD=		${CP}
+EXTRACT_BEFORE_ARGS=
+EXTRACT_AFTER_ARGS=	.
 
-do-extract:
-	@${RM} -rf ${WRKDIR}
-	@${MKDIR} ${WRKDIR}
+NOMAN=		defined
 
 do-build:
 	${CC} -o ${WRKSRC}/${PORTNAME} -lm \
-	    ${DISTDIR}/${DIST_SUBDIR}/${DISTFILES}
+	    ${WRKSRC}/${DISTFILES}
 
 do-install:
 	${INSTALL} ${COPY} ${STRIP} -o root -g wheel -m 04555 \

net/ntraceroute/files/patch-traceroute_640.c

@@ -0,0 +1,11 @@
+--- /usr/ports/distfiles/ntraceroute/traceroute_640.c	Sun Nov  6 15:43:00 2005
++++ ./traceroute_640.c	Wed Oct  4 11:07:20 2006
+@@ -790,7 +790,7 @@
+               struct icmp icmp_probe;
+         } ip_payload;
+ #endif /* V6.3.0 */
+-};
++} __attribute__((packed));
+ 
+ #ifdef SPRAY
+ /*