Update update.sh

update.sh

@@ -66,7 +66,7 @@ while (($#)); do
       if [ $? -ne 0 ]; then
         echo "A problem occurred while trying to fetch the latest revision from github."
         exit 99
-	  fi
+      fi
       if [[ -z $(git log HEAD --pretty=format:"%H" | grep "${LATEST_REV}") ]]; then
         echo "Updated code is available."
         exit 0