bump 3.7.1

fix: should ignore right button on mousedown

package.json

@@ -1,6 +1,6 @@
 {
   "name": "rc-slider",
-  "version": "3.7.0",
+  "version": "3.7.1",
   "description": "slider ui component for react",
   "keywords": [
     "react",

src/Slider.jsx

@@ -167,6 +167,7 @@ class Slider extends React.Component {
   }
 
   onMouseDown(e) {
+    if (e.button !== 0) { return; }
     const position = getMousePosition(this.props.vertical, e);
     this.onStart(position);
     this.addDocumentEvents('mouse');