avoid link error with gcc 10 which enables -fno-common by default

win/X11/winX.c

@@ -95,9 +95,6 @@ static XtSignalId X11_sig_id;
 #endif
 #endif
 
-/* this is only needed until X11_status_* routines are written */
-extern NEARDATA winid WIN_STATUS;
-
 /* Interface definition, for windows.c */
 struct window_procs X11_procs = {
     "X11",

win/gnome/gnbind.c

@@ -19,9 +19,6 @@ winid WIN_WORN = WIN_ERR;
 extern void tty_raw_print(const char *);
 extern void tty_raw_print_bold(const char *);
 
-/* this is only needed until gnome_status_* routines are written */
-extern NEARDATA winid WIN_STATUS;
-
 /* Interface definition, for windows.c */
 struct window_procs Gnome_procs = {
     "Gnome", WC_COLOR | WC_HILITE_PET | WC_INVERSE, 0L,

win/tty/wintty.c

@@ -72,9 +72,6 @@ extern short glyph2tile[];
 #define HUPSKIP_RESULT(RES) /*empty*/
 #endif /* ?HANGUP_HANDLING */
 
-/* this is only needed until tty_status_* routines are written */
-extern NEARDATA winid WIN_STATUS;
-
 /* Interface definition, for windows.c */
 struct window_procs tty_procs = {
     "tty",