Fix Script: Zammad (#1309)

Author: michelroegl-brunner

ct/zammad.sh

@@ -28,7 +28,7 @@ function update_script() {
     header_info
     check_container_storage
     check_container_resources
-    if [[ ! -d /opt/zamad ]]; then
+    if [[ ! -d /opt/zammad ]]; then
         msg_error "No ${APP} Installation Found!"
         exit
     fi