Update mysql.php

[#34056] indexer does not work properly in languages with different decimal notation

administrator/components/com_finder/helpers/indexer/driver/mysql.php

@@ -599,7 +599,7 @@ protected function addTokensToDB($tokens, $context = '')
 					. $db->quote($token->stem) . ', '
 					. (int) $token->common . ', '
 					. (int) $token->phrase . ', '
-					. (float) $token->weight . ', '
+					. str_replace(',', '.', (string) $token->weight) . ', '
 					. (int) $context . ', '
 					. $db->quote($token->language)
 			);