Fix undefined index warning in sticky posts logic

wikimedia / interconnection-wordpress-theme

WordPress theme created for https://diff.wikimedia.org/

GNU General Public License v2.0

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Closed goldenapples closed 1 year ago

goldenapples commented 1 year ago

This avoids an undefined index warning thrown in the theme after #6 if there aren't sticky posts set:

PHP Notice: Undefined offset: 1 in /srv/www/diffblog/public_html/wp-content/themes/interconnection/functions.php on line 471