mastostart-gnu: Aggiorna configurazione Apache.

* mastostart-gnu/system/mastostart.scm (%apache-conf): Segui symlink
dentro "/".

mastostart-gnu/system/mastostart.scm

@@ -23,7 +23,7 @@
 
 (define-public %apache-conf
   (string-append "
-<Directory \"" %apache-webroot "\">
+<Directory / >
     Options FollowSymLinks
     AllowOverride All
 </Directory>