Packets get counted twice during capture. This fixes it.

--- ./pcap-linux.c.orig	2005-11-01 22:05:26.000000000 +0100
+++ ./pcap-linux.c	2005-11-01 22:13:26.000000000 +0100
@@ -797,7 +797,7 @@
 		 *    getsockopt(handle->fd, SOL_PACKET, PACKET_STATISTICS, ....
 		 * resets the counters to zero.
 		 */
-		handle->md.stat.ps_recv += kstats.tp_packets;
+		handle->md.stat.ps_recv += kstats.tp_drops;
 		handle->md.stat.ps_drop += kstats.tp_drops;
 	}
 	else