; Avoid compiler warnings in MinGW builds

; Avoid compiler warnings in MinGW builds

* src/w32proc.c (child_proc_count, child_procs)
(Vw32_valid_locale_ids, Vw32_valid_codepages): Declare 'static'.
* src/w32inevt.c (faked_key): Declare.
* src/w32heap.c (data_region_base, data_region_end, heap): Declare.
* src/w32console.c (keyboard_handle, current_tty, cost): Declare.
* src/w32.c: Declare function pointers 'static'.
(excptr, excprec, ctxrec, g_b_init_compare_string_w)
(g_b_init_debug_break_process, LookupAccountSid_Name, dir_static)
(winsock_lib, _wsa_errlist): Declare.
* src/w32uniscribe.c: Declare function pointers 'static'.
(uniscribe_available, harfbuzz_available): Declare.
* src/w32term.c: Declare function pointers 'static'.
(vertical_scroll_bar_min_handle, horizontal_scroll_bar_min_handle)
(vertical_scroll_bar_top_border)
(vertical_scroll_bar_bottom_border)
(horizontal_scroll_bar_left_border)
(horizontal_scroll_bar_right_border, last_scroll_bar_drag_pos):
Declare 'static'.
* src/w32xfns.c (input_available, interrupt_handle, lpHead)
(lpTail, nQueue): Declare.
* src/w32menu.c: Declare function pointers 'static'.
* src/w32term.h (w32_frame_parm_handlers): Declare.
* src/w32fns.c: Declare function pointers 'static'.
(w32_darkmode, w32_color_map, deferred_msg_head, tip_frame)
(tip_timer, tip_last_string, tip_last_frame, tip_last_parms):
* src/lisp.h (daemon_type): Declare for WINDOWSNT as well.
* nt/cmdproxy.c (escape_char, child, interactive): Declare 'static'.
(Bug#78193)

(cherry picked from commit f77c8c7d45c0efa12bea148778772b557de18b95)