wpcap: Avoid deprecated pcap_lookupdev().

dlls/wpcap/wpcap.c

@@ -202,8 +202,18 @@ int CDECL wine_pcap_list_datalinks(pcap_t *p, int **dlt_buffer)
 
 char* CDECL wine_pcap_lookupdev(char *errbuf)
 {
+    static char *ret;
+    pcap_if_t *devs;
+
     TRACE("(%p)\n", errbuf);
-    return pcap_lookupdev(errbuf);
+    if (!ret)
+    {
+        if (pcap_findalldevs( &devs, errbuf ) == -1) return NULL;
+        if (!devs) return NULL;
+        if ((ret = heap_alloc( strlen(devs->name) + 1 ))) strcpy( ret, devs->name );
+        pcap_freealldevs( devs );
+    }
+    return ret;
 }
 
 int CDECL wine_pcap_lookupnet(const char *device, unsigned int *netp, unsigned int *maskp,