Changes into src directory:

Changes into src directory:

 * src/background.c:
   * handling read() errors in background_attention()
   * handling IO errors in parent_call_string()
   * ignoring IO errors in background_attention()
   * ignoring write() errors in parent_call_header()
   * ignore IO errors in parent_call()
 *  src/cons.saver.c:
   * handling IO errors in show_console_contents_linux()
   * handling IO errors in handle_console_linux()
 * src/file.c: handling mc_chdir() errors in panel_operate
 * src/find.c: ignoring errors on chdir() call
 * src/main.c:
   * ignoring errors on last write()'s in main()
   * ignoring mc_chdir() errors in setup_dummy_mc()
   * ignoring mc_chdir() errors in translated_mc_chdir()
 * src/panelize.c: ignoring errors on chdir() call
 * src/screen.c:
   * ignoring mc_chdir() errors in panel_new_with_dir()
   * ignoring mc_chdir() errors in reload_panelized()
   * ignoring mc_chdir() errors in update_panels()
 * src/subshell.c: ignoring errors on chdir() call
 * src/tree.c: ignoring mc_chdir() errors in tree_rescan()
 * src/treestore.c: handling read errors in tree_store_load_from()
 * src/widget.c: handling mc_write() errors in save_text_to_clip_file

Signed-off-by: Slava Zanko <slavazanko@gmail.com>