get measurement hashes for a given file

src/libimcv/plugins/imv_attestation/attest.c

@@ -180,10 +180,14 @@ static void do_args(int argc, char *argv[])
 			{
 				list_hashes(algo);
 			}
-			else
+			else if (product)
 			{
 				list_hashes_for_product(algo, product, pid);
 			}
+			else
+			{
+				list_hashes_for_file(algo, file, fid);
+			}
 			break;
 		default:
 			usage();