Pull request #1896: 无JIRA任务 bugfix

Merge in VISUAL/fineui from ~GUY/fineui:master to master

* commit '08290a0c8c3a77290ce16b1133a8d1cb4394730f':
  bugfix

src/base/single/button/buttons/button.js

@@ -83,6 +83,7 @@ BI.Button = BI.inherit(BI.BasicButton, {
         } else {
             this.text = BI.createWidget({
                 type: "bi.label",
+                height: o.height - 2,
                 textAlign: o.textAlign,
                 whiteSpace: o.whiteSpace,
                 textWidth: o.textWidth,