[batctl] Fix compiler warning in tcpdump.c
Commit Message
Compiling batctl/tcpdump.c with gcc version 4.3.3 gives a compiler
warning. Add a cast to fix this.
Signed-off-by: Andrew Lunn <andrew.lunn@ascom.ch>
===================================================================
@@ -191,7 +191,7 @@
switch (ntohs(udphdr->dest)) {
case 67:
- LEN_CHECK((size_t)buff_len - (iphdr->ihl * 4) - sizeof(struct udphdr), 44, "DHCP");
+ LEN_CHECK((size_t)buff_len - (iphdr->ihl * 4) - sizeof(struct udphdr), (size_t) 44, "DHCP");
printf("%s.67: BOOTP/DHCP, Request from %s, length %zd\n",
inet_ntoa(*(struct in_addr *)&iphdr->daddr),
ether_ntoa_long((struct ether_addr *)(((char *)udphdr) + sizeof(struct udphdr) + 28)),