sitemap theme: fix php notice
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@ -14,7 +14,7 @@
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if ($action != 'post-thread' && $action != 'post-delete')
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return;
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if ($settings['regen_time'] > 0) {
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if (isset($settings['regen_time']) && $settings['regen_time'] > 0) {
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if ($last_gen = @filemtime($settings['path'])) {
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if (time() - $last_gen < (int)$settings['regen_time'])
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return; // Too soon
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