byte-swap homer ID as required

fixes #902

Change-Id: I332120c269ef63a273ca1a87f4e98cac8afb5e25

daemon/homer.c

@@ -427,7 +427,7 @@ static int send_hepv3 (GString *s, const str *id, int capt_id, const endpoint_t
     /* Capture ID */
     hg->capt_id.chunk.vendor_id = htons(0x0000);
     hg->capt_id.chunk.type_id   = htons(0x000c);
-    hg->capt_id.data = capt_id;
+    hg->capt_id.data = htonl(capt_id);
     hg->capt_id.chunk.length = htons(sizeof(hg->capt_id));
 
     /* Payload */