Patch from KRONSTORFER Horst to Fix a size mismatch in ping, such as the 56/84

mismatch inthe following example:
  # ping -c 1 172.16.2.1
  PING 172.16.2.1 (172.16.2.1): 56 data bytes
  84 bytes from 172.16.2.1: icmp_seq=0 ttl=64 time=0.2 ms

1 files changed, 2 insertions, 2 deletions

diff --git a/networking/ping6.c b/networking/ping6.c
index 4e55081fb..3f632e060 100644
--- a/networking/ping6.c
+++ b/networking/ping6.c
@@ -111,7 +111,7 @@ static void ping(const char *host)
         setsockopt(pingsock, SOL_RAW, IPV6_CHECKSUM, (char *) &sockopt,
                            sizeof(sockopt));
 
-        c = sendto(pingsock, packet, sizeof(packet), 0,
+        c = sendto(pingsock, packet, DEFDATALEN + sizeof (struct icmp6_hdr), 0,
                            (struct sockaddr *) &pingaddr, sizeof(struct sockaddr_in6));
 
         if (c < 0 || c != sizeof(packet))
@@ -204,7 +204,7 @@ static void sendping(int junk)
 {
         struct icmp6_hdr *pkt;
         int i;
-        char packet[datalen + 8];
+        char packet[datalen + sizeof (struct icmp6_hdr)];
 
         pkt = (struct icmp6_hdr *) packet;