Remove trailing separator in static initalizer

Author: fangerer

graalpython/com.oracle.graal.python.test/src/tests/cpyext/test_weakref.py

@@ -52,7 +52,7 @@
         if (!PyArg_ParseTuple(args, "O", &bases))
             return NULL;
         PyType_Slot slots[] = {
-            { 0 },
+            { 0 }
         };
         PyType_Spec spec = { "DynamicType", sizeof(PyObject), 0, Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, slots };
         PyObject* result = PyType_FromSpecWithBases(&spec, bases);