Merge pull request #482 from chief1983/fix/187_debugging

Enhance an Assert to help track down how issue 187 could happen

Author: niffiwan

code/network/multimsgs.cpp

@@ -6035,7 +6035,10 @@ void process_post_sync_data_packet(ubyte *data, header *hinfo)
 		objp = multi_get_network_object(net_sig);
 
 		// make sure we found a ship
-		Assert((objp != NULL) && (objp->type == OBJ_SHIP));
+		Assertion(objp != NULL, "idx: %d, ship_count: %d, sinfo_index: %u, ts_index: %u, net_sig: %u",
+			idx, ship_count, sinfo_index, ts_index, net_sig);
+		Assertion(objp->type == OBJ_SHIP, "type: %d, idx: %d, ship_count: %d, sinfo_index: %u, ts_index: %u, net_sig: %u",
+			objp->type, idx, ship_count, sinfo_index, ts_index, net_sig);
 
 		// set the ship to be the right class
 		change_ship_type(objp->instance,(int)sinfo_index);