FileAccessWindows: Add missing share.h include

Follow-up to #51430.

(cherry picked from commit cb52f2c9c0b701865e17093b0661f17e735feb38)

drivers/windows/file_access_windows.cpp

@@ -35,6 +35,7 @@
 #include "core/os/os.h"
 #include "core/print_string.h"
 
+#include <share.h> // _SH_DENYNO
 #include <shlwapi.h>
 #include <windows.h>