修正 ico 地址

git-svn-id: https://plugins.svn.wordpress.org/wpjam-qiniu/trunk@765306 b8457f37-d9ea-0310-8a92-e5e31aec5664
ver 0.42

git-svn-id: https://plugins.svn.wordpress.org/wpjam-qiniu/trunk@765307 b8457f37-d9ea-0310-8a92-e5e31aec5664