Fix upgrade old version (#99)

* Fix upgrade old version
* Move to an existing if

scripts/upgrade

@@ -176,6 +176,8 @@ do
     # then it's the last upgrade to do
     if [ "$major_version" -eq "$current_major_version" ]; then
 	current_major_version=last
+	# Patch nexcloud files only for the last upgrade.
+	cp -a ../sources/patches_last_version ../sources/patches
     fi
 
     # Load the value for this version