package/iputils: drop setuid on arping

arping can be used for arp poisoning, so it should really not be setuid.

Reported-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Acked-by: Petr Vorel <petr.vorel@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/iputils/iputils.mk

@@ -80,7 +80,7 @@ IPUTILS_POST_INSTALL_TARGET_HOOKS += IPUTILS_CREATE_PING6_SYMLINK
 # handle permissions ourselves
 IPUTILS_CONF_OPTS += -DNO_SETCAP_OR_SUID=true
 define IPUTILS_PERMISSIONS
-	/usr/sbin/arping      f 4755 0 0 - - - - -
+	/usr/sbin/arping      f  755 0 0 - - - - -
 	/usr/bin/clockdiff    f 4755 0 0 - - - - -
 	/bin/ping             f 4755 0 0 - - - - -
 	/usr/bin/traceroute6  f 4755 0 0 - - - - -