Fix drupal_upgrade syntax check

diff --git a/files/drupal b/files/drupal
index d51fd10007c2f6427d6e063469d0279fd47f100a..573158b0cdc9ad790f614f3184d277bd9ce0b235 100755 (executable)
--- a/files/drupal
+++ b/files/drupal
@@ -226,7 +226,7 @@ function drupal_download {
 
 # Upgrade a drupal instance using upstream source
 function drupal_upgrade {
-  if [ "$#" != "1" ]; then
+  if [ "$#" != "1" ] || [ "$#" != "2" ]; then
     echo "Usage: `basename $0` upgrade <series|old_version> [new_version]"
     exit 1
   fi