Merge pull request #249 from fono09/fono/fix-score-broken-opt-half-en…

…able

Fix error when opt.half == true

src/raty.js

@@ -560,7 +560,7 @@ class Raty {
 
     if (this.opt.half) {
       const size = this._getWidth();
-      const percent = parseFloat((evt.pageX - icon.offsetLeft) / size);
+      const percent = parseFloat((evt.pageX - icon.getBoundingClientRect().x) / size);
 
       score = score - 1 + percent;
     }