Log Message:
Updated mc to 4.8.17.

Version 4.8.17

- Core
  * Minimal version of Gettext is 0.18.1 (#1885)
  * Optimization of copy/move operations (use adaptive buffer as in coreutils) \ 
(#2193)
  * Recognize csh as tcsh (#2742)
  * Сentered scrolling of file panel (#3130)
  * Internals:
    * Switch to new high-level mouse API (#3571)

- VFS
  * FISH helpers: remove executable bit (#3610)

- Editor
  * Improvements of syntax highlighting:
    * F90 (#3618)
    * Java (MidnightCommander/mc#95)

- Misc
  * Code cleanup (#3598, #3607)
  * Install mc.keymap as a symlink to mc.default.keymap (#3609)
  * File highlight: add more common file formats

- Fixes
  * Segfault due to incorrect value of SHELL environment variable (#3606)
  * Segfault when copying files under FreeBSD 9.3 (#3617)
  * Segfault when entering into some cpio archives (#3621)
  * Subshell output lost on window resize under tmux, GNU screen (#3639)
  * Subshell cursor position lost after window resizing (#3640)
  * Listbox no longer scrolls when dragging outside widget (#3559)
  * VFS: extfs: incorrect date parsing in unzip (#3622)
  * VFS: extfs: buffer overflow (#3605)
  * VFS: patchfs: syntax error (#3620)
  * VFS: fish: mistakes in ls Perl helper (#3611)