From b489c2b242e9155e31b67c15ff85104487e7a1de Mon Sep 17 00:00:00 2001
From: Andrew Nacin <nacin@git.wordpress.org>
Date: Fri, 7 Sep 2012 21:10:43 +0000
Subject: [PATCH] Use wp_cache_add() in wp_mime_type_icon(). fixes #21835.

git-svn-id: https://develop.svn.wordpress.org/trunk@21783 602fd350-edb4-49c9-b593-d223f7449a82
---
 wp-includes/post.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wp-includes/post.php b/wp-includes/post.php
index 4be2d547a5..7b5fb7e13c 100644
--- a/wp-includes/post.php
+++ b/wp-includes/post.php
@@ -4218,7 +4218,7 @@ function wp_mime_type_icon( $mime = 0 ) {
 			if ( isset($types[$wilds[0]])) {
 				$icon = $types[$wilds[0]];
 				if ( !is_numeric($mime) )
-					wp_cache_set("mime_type_icon_$mime", $icon);
+					wp_cache_add("mime_type_icon_$mime", $icon);
 				break;
 			}
 		}