small pihole fixes

api/config/default.php

@@ -268,4 +268,5 @@ return array(
 	'homepagePiholeAuth' => '1',
 	'homepagePiholeRefresh' => '10000',
 	'homepagePiholeCombine' => false,
+	'piholeURL' => ''
 );

api/functions/homepage-functions.php

@@ -338,7 +338,7 @@ function buildHomepageItem($homepageItem)
 				$item .= '
 				<script>
 				// Pi-hole Stats
-				homepagePihole();
+				homepagePihole("' . $GLOBALS['homepagePiholeRefresh'] . '");
 				// End Pi-hole Stats
 				</script>
 				';