regenerated all strings.php files from the current translation strings (message.po)

smileybutton/lang/zh-cn/strings.php

@@ -3,7 +3,7 @@
 if(! function_exists("string_plural_select_zh_cn")) {
 function string_plural_select_zh_cn($n){
 	$n = intval($n);
-	return 0;;
+	return intval(0);
 }}
 ;
 $a->strings["Smileybutton settings"] = "表情按钮设置";