return value

Change-Id: I394f22051a3609d92cc8d6df12d102a5e8d025d1
diff --git a/src/com/mirantis/mk/Salt.groovy b/src/com/mirantis/mk/Salt.groovy
index 7ab5f58..a89160f 100644
--- a/src/com/mirantis/mk/Salt.groovy
+++ b/src/com/mirantis/mk/Salt.groovy
@@ -276,6 +276,7 @@
     if (output == true) {
         printSaltCommandResult(out)
     }
+    return out
 }
 
 /**