Merge branch '3693_cleanup'
* 3693_cleanup: (22 commits)
Update copyright years.
(tar_fill_stat): add omitted breaks.
Aggressive use of whitespace() and whiteness() macros.
WCheck, WRadio: send MSG_MOTIFY without parameter.
Fish shell integration: ignore mc's prompt in history.
(tty_color_get_name_by_index): cleanup format compiler warning.
Cleanup comma compiler warnings.
(sftpfs_open_file): GCC zero initialization bug workaround.
Cleanup maybe-uninitialized compiler warnings.
(mc_search__g_regex_match_full_safe): don't use negative string length.
mcedit: syntax.syntax: highlight comments preceded by spaces.
misc/syntax/Syntax.in: fix patterns.
Use g_queue_free_full().
(mc_search__cond_struct_new_regex_ci_str): add documentation.
option_auto_syntax: change type to gboolean.
src/setup.c: minor refactoring of main options load.
setup: split integer and boolean options.
Change type from int to gboolean for variables controlled by checkboxes.
WCheck: change type of 'state' from int to gboolean.
WCheck: remove unused C_CHANGE.
...