tests/src/test-delnull.c: add comment

diff --git a/tests/src/test-delnull.c b/tests/src/test-delnull.c
index 80604b9..96d472c 100644 (file)
--- a/tests/src/test-delnull.c
+++ b/tests/src/test-delnull.c
@@ -1,6 +1,9 @@
 #include <stdlib.h>
 #include <aubio.h>
 
+// Because aubio does not check for double free, this program will crash.
+// Programs that call these functions should check for null pointers.
+
 int main ()
 {
   del_fvec(NULL);