Silence some macOS build warnings

* src/image.c (native_image_type): Declare static.
* src/keyboard.c (lispy_function_keys): Declare static on NS.
* src/nsmenu.m (context_menu_value):
* src/nsterm.m (ns_frame_parm_handlers): Move extern declarations...
* src/nsterm.h: ...here.
* test/src/emacs-module-resources/mod-test.c: Add extern declaration.

1 files changed, 0 insertions, 1 deletions

diff --git a/src/nsmenu.m b/src/nsmenu.m
index 0d21f7d03d3..46ee9e1c3fc 100644
--- a/src/nsmenu.m
+++ b/src/nsmenu.m
@@ -47,7 +47,6 @@ Carbon version by Yamamoto Mitsuharu. */
 #endif
 
 
-extern long context_menu_value;
 EmacsMenu *svcsMenu;
 /* Nonzero means a menu is currently active.  */
 static int popup_activated_flag;