* frame.h (x_char_width, x_char_height): Remove prototypes.

* frame.h (x_char_width, x_char_height): Remove prototypes.
* w32term.h (x_char_width, x_char_height): Likewise.
* xfns.c (x_char_width, x_char_height): Remove.
* w32fns.c (x_char_width, x_char_height): Likewise.
* nsfns.c (x_char_width, x_char_height): Likewise.
* frame.c (Fframe_char_width): Use FRAME_COLUMN_WIDTH for
all window frames.
(Fframe_char_height): Likewise with FRAME_LINE_HEIGHT.
* keyboard.c (command_loop_1): Remove prototype.
(command_loop_2, top_level_1): Add static to match prototype.