Ignore file generated by tests.
diff --git a/.gitignore b/.gitignore
index d65e8a2..31a932a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -46,6 +46,7 @@
 src/po/*.ck 
 src/testdir/mbyte.vim 
 src/testdir/mzscheme.vim 
+src/testdir/lua.vim 
 src/testdir/small.vim 
 src/testdir/tiny.vim 
 src/testdir/test*.out