Protoize

Protoize

* src/buffer.c (mmap_init, mmap_find, mmap_free_1, mmap_enlarge)
(mmap_set_vars, mmap_alloc, mmap_free, mmap_realloc): Protoize.
* src/data.c (fmod): Likewise.
* src/dispnew.c (swap_glyphs_in_rows): Likewise.
* src/emacs.c (memory_warning_signal): Likewise.
* src/floatfns.c (float_error): Likewise.
* src/font.c (check_gstring, check_otf_features, otf_tag_symbol)
(otf_open, font_otf_capability, generate_otf_features)
(font_otf_DeviceTable, font_otf_ValueRecord, font_otf_Anchor):
Likewise.
* src/image.c (pbm_read_file): Likewise.
* src/indent.c (string_display_width): Likewise.
* src/intervals.c (check_for_interval, search_for_interval)
(inc_interval_count, count_intervals, root_interval)
(adjust_intervals_for_insertion, make_new_interval): Likewise.
* src/lread.c (defalias): Likewise.
* src/regex.c (set_image_of_range_1, set_image_of_range)
(regex_grow_registers): Likewise.
* src/sysdep.c (strerror): Likewise.
* src/termcap.c (valid_filename_p, tprint, main): Likewise.
* src/tparam.c (main): Likewise.
* src/unexhp9k800.c (run_time_remap, save_data_space)
(update_file_ptrs, read_header, write_header, calculate_checksum)
(copy_file, copy_rest, display_header): Likewise.
* src/widget.c (mark_shell_size_user_specified, create_frame_gcs):
Likewise.
* src/xdisp.c (check_it): Likewise.
* src/xfaces.c (register_color, unregister_color, unregister_colors):
Likewise.
* src/xfns.c (print_fontset_result): Likewise.
* src/xrdb.c (member, fatal, main): Likewise.