Add parens to clarify ?: expression.

diff --git a/src/md5sum.c b/src/md5sum.c
index 24a3e2ca7f736e2e5b0f6ce25987763419c32c2d..7968bb1242d1e3beddba5350761b2bb4e23283d9 100644 (file)
--- a/src/md5sum.c
+++ b/src/md5sum.c
@@ -485,7 +485,7 @@ main (argc, argv)
          usage (EXIT_FAILURE);
        }
 
-      err = md5_check (optind == argc ? "-" : argv[optind], binary);
+      err = md5_check ((optind == argc) ? "-" : argv[optind], binary);
     }
 
   if (fclose (stdout) == EOF)