fix for own mistake [#29031] Importing BGL Can Crash the BGE and Blender

was adding the Buffer type to the module without increffing

source/blender/python/generic/bgl.c

@@ -1304,6 +1304,7 @@ PyObject *BPyInit_bgl(void)
 
 
 	PyModule_AddObject(submodule, "Buffer", (PyObject *)&BGL_bufferType);
+	Py_INCREF((PyObject *)&BGL_bufferType);
 
 #define EXPP_ADDCONST(x) PyDict_SetItemString(dict, #x, item=PyLong_FromLong((int)x)); Py_DECREF(item)