updated for version 7.3.964

Problem:    Python: not so easy to access tab pages.
Solution:   Add window.tabpage, make window.number work with non-current tab
            pages. (ZyX)

src/if_python.c

@@ -610,11 +610,6 @@ get_exceptions(void)
 }
 #endif /* DYNAMIC_PYTHON */
 
-static PyObject *BufferNew (buf_T *);
-static PyObject *WindowNew(win_T *);
-static PyObject *DictionaryNew(dict_T *);
-static PyObject *LineToString(const char *);
-
 static int initialised = 0;
 #define PYINITIALISED initialised