!123 头像裁剪超出预览框，修改高度为450

Merge pull request !123 from wind/ruoyi

ruoyi-admin/src/main/resources/static/ajax/libs/cropbox/cropbox.css

@@ -23,7 +23,7 @@
 	top: 0;
 	width: 200px;
 	border: 1px #ddd solid;
-	height: 440px;
+	height: 450px;
 	padding: 4px;
 	box-shadow: 0px 0px 12px #ddd;
 	text-align: center;