now quits when it receives an invalid command line option.

1 files changed, 2 insertions, 0 deletions

diff --git a/src/main.c b/src/main.c
index 39856f7..1655d2a 100644
--- a/src/main.c
+++ b/src/main.c
@@ -151,6 +151,8 @@ main (int argc, char *argv[])
 	case 'v':
 	  print_version ();
 	  break;
+	default:
+	  exit (EXIT_FAILURE);
 	}
     }