algorithms.c: Add missing guard for `del' to property `set' functions.

Continuing the work of 9444777c58c60253afdabf5b45011440845770e0.

diff --git a/algorithms.c b/algorithms.c
index 0f05f75..3d79c03 100644 (file)
--- a/algorithms.c
+++ b/algorithms.c
@@ -1675,10 +1675,14 @@ static int kxvikset_nround(PyObject *me, PyObject *val, void *hunoz)
 {
   kxvik_pyobj *k = (kxvik_pyobj *)me;
   unsigned n;
+  int rc = -1;
 
-  if (!convuint(val, &n)) return (-1);
+  if (!val) NIERR("__del__");
+  if (!convuint(val, &n)) goto end;
   k->n = n;
-  return (0);
+  rc = 0;
+end:
+  return (rc);
 }
 
 static PyGetSetDef kxvik_pygetset[] = {