* frame.c: Make symbols static if they're not exported.
(x_report_frame_params, make_terminal_frame): Now static.
(get_frame_param): Now static, unless HAVE_NS.
(x_fullscreen_adjust): Define if WINDOWSNT, not if HAVE_WINDOW_SYSTEM.
(x_get_resource_string): Remove; not used.
* frame.h (make_terminal_frame, x_report_frame_params):
(x_get_resource_string); Remove decls.
(x_fullscreen_adjust): Declare only if WINDOWSNT.
* lisp.h (get_frame_param): Declare only if HAVE_NS.