get_ref_dir(): change signature

diff --git a/t/t4034-diff-words.sh b/t/t4034-diff-words.sh
index c374aa4c1c60e9a12cf1ebf5587daf3656e4851a..6f1e5a2a15f0215e4ed7c19437f5d000edbbd255 100755 (executable)
--- a/t/t4034-diff-words.sh
+++ b/t/t4034-diff-words.sh
@@ -299,6 +299,7 @@ test_language_driver csharp
 test_language_driver fortran
 test_language_driver html
 test_language_driver java
+test_language_driver matlab
 test_language_driver objc
 test_language_driver pascal
 test_language_driver perl