Merge branch '3693_cleanup'
* 3693_cleanup: (31 commits)
Update po/*.po files.
src/filemanager/mountlist.c: clarify comments.
(mc_search_run): document the return value.
NULL-ize some variables to make unit tests happy.
Use g_assert() instead of assert(3).
doc/NEWS: cosmetics.
Ticket #3703: fix potential NULL dereference.
Sync with gnulib
5159ac54e0c73df4432a681e2e267df4ffcc04e4.
MSG_INIT is handled by default.
Clarify startup.
(panel_callback) [MSG_FOCUS]: don't redraw panel here.
(setup_panels): fix location of right panel.
Add -Wformat-signedness option.
(my_systemv): cleanup unreachable-code warning.
(vfs_die): cleanup no attribute noreturn warning.
(my_exit): cleanup no attribute noreturn warning.
(edit_move_block_to_left): reduce variable scope.
(edit_move_block_to_left): cleanup -Wunsafe-loop-optimizations.
lib/serialize.c: cleanup -Wformat-signedness warning.
(vfs_path_deserialize): refactoring.
...