af-packet: fix setting block_timeout value through afpconfig

src/source-af-packet.c

@@ -2555,6 +2555,7 @@ TmEcode ReceiveAFPThreadInit(ThreadVars *tv, const void *initdata, void **data)
     ptv->buffer_size = afpconfig->buffer_size;
     ptv->ring_size = afpconfig->ring_size;
     ptv->block_size = afpconfig->block_size;
+    ptv->block_timeout = afpconfig->block_timeout;
 
     ptv->promisc = afpconfig->promisc;
     ptv->checksum_mode = afpconfig->checksum_mode;