[BUGFIX] Don't create wrong symbolic links while installing TYPO3

recipes/default.rb

@@ -212,12 +212,12 @@ bash 'Setup TYPO3' do
 		ln -s ../typo3_src-#{node['typo3_site']['typo3_version']} typo3_src
 		touch typo3conf/ENABLE_INSTALL_TOOL
 
-		if [ ! -f typo3 ]
+		if [ ! -e typo3 ]
 		then
 			ln -s typo3_src/typo3 typo3
 		fi
 
-		if [ ! -f index.php ]
+		if [ ! -e index.php ]
 		then
 			ln -s typo3_src/index.php index.php
 		fi