convert tabs to spaces

src/PhpWord/PhpWord.php

@@ -222,7 +222,7 @@ class PhpWord
      * Set default font name.
      *
      * @param string $fontName
-	 * @return void
+     * @return void
      */
     public function setDefaultFontName($fontName)
     {
@@ -243,7 +243,7 @@ class PhpWord
      * Set default font size.
      *
      * @param int $fontSize
-	 * @return void
+     * @return void
      */
     public function setDefaultFontSize($fontSize)
     {

src/PhpWord/Writer/Word2007/Element/Link.php

@@ -26,8 +26,8 @@ class Link extends Text
 {
     /**
      * Write link element
-	 *
-	 * @return void
+     *
+     * @return void
      */
     public function write()
     {

src/PhpWord/Writer/Word2007/Element/Title.php

@@ -26,8 +26,8 @@ class Title extends AbstractElement
 {
     /**
      * Write title element
-	 *
-	 * @return void
+     *
+     * @return void
      */
     public function write()
     {