Add TODO regarding hld files.

exec/binkit.js

@@ -126,8 +126,10 @@ function run_one_outbound_dir(dir, scfg)
 			// Find one we can create a .bsy and .csy file for...
 			if (file_getext(flow_files[i]).substr(0,2).search(/^\.[icdo]$/i) !== 0)
 				continue;
-			if ((lock_files = lock_flow(flow_files[i], true))!==undefined)
+			if ((lock_files = lock_flow(flow_files[i], true))!==undefined) {
+				// TODO: Check hold file.
 				break;
+			}
 		}
 		if (i<flow_files.length) {
 			log(LOG_DEBUG, "Attempting callout for file "+flow_files[i]);