setStrikethrough() did not set the font

Fixes #403

Author: PowerKiKi

CHANGELOG.md

@@ -21,6 +21,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Read printing area correctly when skipping some sheets - [#371](https://github.com/PHPOffice/PhpSpreadsheet/issues/371)
 - Avoid incorrectly overwriting calculated value type - [#394](https://github.com/PHPOffice/PhpSpreadsheet/issues/394)
 - Select correct cell when calling freezePane - [#389](https://github.com/PHPOffice/PhpSpreadsheet/issues/389)
+- `setStrikethrough()` did not set the font - [#403](https://github.com/PHPOffice/PhpSpreadsheet/issues/403)
 
 ## [1.1.0] - 2018-01-28
 

src/PhpSpreadsheet/Style/Font.php

@@ -484,8 +484,9 @@ public function setStrikethrough($pValue)
         if ($pValue == '') {
             $pValue = false;
         }
+
         if ($this->isSupervisor) {
-            $styleArray = $this->getStyleArray(['strike' => $pValue]);
+            $styleArray = $this->getStyleArray(['strikethrough' => $pValue]);
             $this->getActiveSheet()->getStyle($this->getSelectedCells())->applyFromArray($styleArray);
         } else {
             $this->strikethrough = $pValue;