* composite.c (fill_gstring_header): Remove useless prototype.

* composite.c (fill_gstring_header): Remove useless prototype.
Break long line.
* lisp.h (message_dolog, compile_pattern): Adjust prototype.
* print.c (PRINTDECLARE, print_object):
* search.c (compile_pattern, fast_looking_at, search_buffer):
(simple_search, boyer_moore, Freplace_match):
* xdisp.c (c_string_pos, number_of_chars, message_dolog):
(get_overlay_arrow_glyph_row, display_mode_element):
(decode_mode_spec_coding, message3):
* xfaces.c (face_at_string_position): Use bool for booleans.
Adjust comments.