Haiku: Report IEEE 802.11 as PCAP_IF_WIRELESS. [skip ci]

Before:
> ./tcpdump -D
1./dev/net/ipro1000/1 [Up, Connected]
2./dev/net/ipro1000/0 [Up, Connected]
3.loop [Up, Loopback]
4./dev/net/realtekwifi/0 [Up, Disconnected]

After:
> ./tcpdump -D
1./dev/net/realtekwifi/0 [Up, Wireless, Not associated]
2./dev/net/ipro1000/1 [Up, Connected]
3./dev/net/ipro1000/0 [Up, Connected]
4.loop [Up, Loopback]

CHANGES

@@ -47,6 +47,8 @@ DayOfTheWeek, Month DD, YYYY / The Tcpdump Group
       Fix a few device activation bugs.
       Count and timestamp packets better.
       Add kernel filtering, fix userland filtering.
+    Haiku:
+      Report IEEE 802.11 as PCAP_IF_WIRELESS.
 
 DayOfTheWeek, Month DD, YYYY / The Tcpdump Group
   Summary for 1.10.5 libpcap release (so far!)

pcap-haiku.c

@@ -20,6 +20,7 @@
 #include <net/if.h>
 #include <net/if_dl.h>
 #include <net/if_types.h>
+#include <net/if_media.h>
 
 #include <errno.h>
 #include <stdio.h>
@@ -479,6 +480,12 @@ get_if_flags(const char *name, bpf_u_int32 *flags, char *errbuf)
 	*flags |= (ifreq.ifr_flags & IFF_LINK) ?
 	          PCAP_IF_CONNECTION_STATUS_CONNECTED :
 	          PCAP_IF_CONNECTION_STATUS_DISCONNECTED;
+	if (ioctl_ifreq(fd, SIOCGIFMEDIA, "SIOCGIFMEDIA", &ifreq, errbuf) < 0) {
+		close(fd);
+		return PCAP_ERROR;
+	}
+	if (IFM_TYPE(ifreq.ifr_media) == IFM_IEEE80211)
+		*flags |= PCAP_IF_WIRELESS;
 	close(fd);
 
 	return (0);