enable mutex-file conf

diff --git a/templates/setup-head.sh b/templates/setup-head.sh
index 2739024..178690d 100755 (executable)
--- a/templates/setup-head.sh
+++ b/templates/setup-head.sh
@@ -204,6 +204,7 @@ a2enmod cgi
 a2enmod xmlent
 a2enmod remoteip
 a2enmod idlchunk
+a2enconf mutex-file
 a2disconf serve-cgi-bin
 
 ### Setup custom locales.