wpcap: Implement pcap_setfilter.

dlls/wpcap/wpcap.c

@@ -106,6 +106,12 @@ int CDECL wine_pcap_setbuff(pcap_t * p, int dim)
     return 0;
 }
 
+int CDECL wine_pcap_setfilter(pcap_t *p, struct bpf_program *fp)
+{
+    TRACE("(%p %p)\n", p, fp);
+    return pcap_setfilter(p, fp);
+}
+
 int CDECL wine_pcap_stats(pcap_t *p, struct pcap_stat *ps)
 {
     TRACE("(%p %p)\n", p, ps);

dlls/wpcap/wpcap.spec

@@ -65,7 +65,7 @@
 @ stub pcap_sendqueue_transmit
 @ stub pcap_set_datalink
 @ cdecl pcap_setbuff(ptr long) wine_pcap_setbuff
-@ stub pcap_setfilter
+@ cdecl pcap_setfilter(ptr ptr) wine_pcap_setfilter
 @ stub pcap_setmintocopy
 @ stub pcap_setmode
 @ stub pcap_setnonblock