Fix indentation

Author: petk

docs/configuration.md

@@ -2766,19 +2766,19 @@ A list of Autoconf `configure` command-line configuration options, Windows
       <td></td>
     </tr>
     <tr>
-      <td>N/A</td>
+      <td>&emsp;N/A</td>
       <td>--disable-phar-native-ssl</td>
       <td>N/A</td>
       <td>default</td>
     </tr>
     <tr>
-      <td>N/A</td>
+      <td>&emsp;N/A</td>
       <td>--enable-phar-native-ssl</td>
       <td>N/A</td>
       <td></td>
     </tr>
     <tr>
-      <td>N/A</td>
+      <td>&emsp;N/A</td>
       <td>--enable-phar-native-ssl=shared</td>
       <td>N/A</td>
       <td></td>