updated for version 7.3.1299
Problem:    Errors when doing "make proto".  Didn't do "make depend" for a
            while.
Solution:   Add #ifdefs.  Update dependencies.  Update proto files.
diff --git a/src/proto/if_python3.pro b/src/proto/if_python3.pro
index c1b5916..1e2a522 100644
--- a/src/proto/if_python3.pro
+++ b/src/proto/if_python3.pro
@@ -3,8 +3,8 @@
 void python3_end __ARGS((void));
 int python3_loaded __ARGS((void));
 void ex_py3 __ARGS((exarg_T *eap));
-void ex_py3do __ARGS((exarg_T *eap));
 void ex_py3file __ARGS((exarg_T *eap));
+void ex_py3do __ARGS((exarg_T *eap));
 void python3_buffer_free __ARGS((buf_T *buf));
 void python3_window_free __ARGS((win_T *win));
 void python3_tabpage_free __ARGS((tabpage_T *tab));