Errors with Compatibility Checker for PHP7

Hi, I ran the PHP Compatibility Checker plugin on my site – it scans all plugins to check for any compatibility issues with PHP7. It came up with eight different errors for the Sermon Manager plugin. Can you kindly check these out and fix them where necessary? Thanks!

FILE: /wp-content/plugins/sermon-manager-for-wordpress/sermons.php
——————————————————————————————-
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
——————————————————————————————-
1 | WARNING | File has mixed line endings; this may cause incorrect results
——————————————————————————————-

FILE: /wp-content/plugins/sermon-manager-for-wordpress/includes/legacy_functions.php
————————————————————————————————————-
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
————————————————————————————————————-
1 | WARNING | File has mixed line endings; this may cause incorrect results
————————————————————————————————————-

FILE: /wp-content/plugins/sermon-manager-for-wordpress/includes/getid3/getid3.lib.php
————————————————————————————————————–
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
————————————————————————————————————–
614 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
————————————————————————————————————–

FILE: /wp-content/plugins/sermon-manager-for-wordpress/includes/getid3/getid3.php
———————————————————————————————————-
FOUND 0 ERRORS AND 2 WARNINGS AFFECTING 2 LINES
———————————————————————————————————-
146 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
1352 | WARNING | INI directive ‘safe_mode’ is deprecated since PHP 5.3 and removed since PHP 5.4.
———————————————————————————————————-

FILE: /wp-content/plugins/sermon-manager-for-wordpress/includes/template-tags.php
———————————————————————————————————-
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
———————————————————————————————————-
1 | WARNING | File has mixed line endings; this may cause incorrect results
———————————————————————————————————-

FILE: /wp-content/plugins/sermon-manager-for-wordpress/includes/entry-views.php
——————————————————————————————————–
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
——————————————————————————————————–
1 | WARNING | File has mixed line endings; this may cause incorrect results
——————————————————————————————————–

FILE: /wp-content/plugins/sermon-manager-for-wordpress/views/single-wpfc_sermon.php
————————————————————————————————————
FOUND 0 ERRORS AND 1 WARNING AFFECTING 1 LINE
————————————————————————————————————
1 | WARNING | File has mixed line endings; this may cause incorrect results
————————————————————————————————————