Patch in bug report #477700: Fix memory leaks in gdbm & curses.

Modules/_cursesmodule.c

@@ -2544,6 +2544,7 @@ init_curses(void)
 	/* Add a CObject for the C API */
 	c_api_object = PyCObject_FromVoidPtr((void *)PyCurses_API, NULL);
 	PyDict_SetItemString(d, "_C_API", c_api_object);
+	Py_DECREF(c_api_object);
 
 	/* For exception curses.error */
 	PyCursesError = PyErr_NewException("_curses.error", NULL, NULL);

Modules/gdbmmodule.c

@@ -505,7 +505,7 @@ static PyMethodDef dbmmodule_methods[] = {
 
 DL_EXPORT(void)
 initgdbm(void) {
-    PyObject *m, *d;
+    PyObject *m, *d, *s;
 
     Dbmtype.ob_type = &PyType_Type;
     m = Py_InitModule4("gdbm", dbmmodule_methods,
@@ -515,7 +515,8 @@ initgdbm(void) {
     DbmError = PyErr_NewException("gdbm.error", NULL, NULL);
     if (DbmError != NULL) {
         PyDict_SetItemString(d, "error", DbmError);
-        PyDict_SetItemString(d, "open_flags",
-                PyString_FromString(dbmmodule_open_flags));
+        s = PyString_FromString(dbmmodule_open_flags);
+        PyDict_SetItemString(d, "open_flags", s);
+        Py_DECREF(s);
     }
 }