Fix formatting problem.

git-svn-id: https://simplesamlphp.googlecode.com/svn/trunk@3393 44740490-163a-0410-bde0-09ae8108e29a

docs/simplesamlphp-install-repo.txt

@@ -39,4 +39,5 @@ Ask git to update to the latest version:
     git pull origin master
 
 Install the external dependencies with Composer (http://getcomposer.org/):
+
     php composer.phar install