Update Cell.php

Author: terryzwt

src/PhpWord/Style/Cell.php

@@ -163,12 +163,12 @@ public function getTextDirection()
     public function setTextDirection($value = null)
     {
         $enum = [
-          self::TEXT_DIR_BTLR,
-          self::TEXT_DIR_TBRL,
-          self::TEXT_DIR_LRTB,
-          self::TEXT_DIR_LRTBV,
-          self::TEXT_DIR_TBRLV,
-          self::TEXT_DIR_TBLRV,
+            self::TEXT_DIR_BTLR,
+            self::TEXT_DIR_TBRL,
+            self::TEXT_DIR_LRTB,
+            self::TEXT_DIR_LRTBV,
+            self::TEXT_DIR_TBRLV,
+            self::TEXT_DIR_TBLRV,
         ];
         $this->textDirection = $this->setEnumVal($value, $enum, $this->textDirection);