Fix syntax error and reorder check.

deployment.sh

@@ -70,9 +70,6 @@ else
     fi
   done
 fi
-test -z "${DISK}" 
-  && die "Error: No non-removable disk suitable for installation found"
-
 
 ### helper functions {{{
 set_deploy_status() {
@@ -169,6 +166,9 @@ logit "host-IP: $(ip-screen)"
 logit "deployment-version: $SCRIPT_VERSION"
 # }}}
 
+test -z "${DISK}" \
+  && die "Error: No non-removable disk suitable for installation found"
+
 enable_deploy_status_server
 
 set_deploy_status "checkBootParam"