[tests] fix leak in test-mathutils.c

diff --git a/tests/src/test-mathutils.c b/tests/src/test-mathutils.c
index 43c8822..ca01500 100644 (file)
--- a/tests/src/test-mathutils.c
+++ b/tests/src/test-mathutils.c
@@ -100,6 +100,7 @@ int test_aubio_window (void)
   window = new_fvec(window_size);
   fvec_set_window(window, "rectangle");
   fvec_print(window);
+  del_fvec(window);
 
   window_size /= 2.;
   window = new_aubio_window("parzen", window_size);