Upgrade bazlets to latest master

Change-Id: I06829684c3a31273a99d7ca324559ac83fd8caa5

WORKSPACE

diff --git a/WORKSPACE b/WORKSPACE
index 8508140..dadd05f 100644
--- a/WORKSPACE
+++ b/WORKSPACE
@@ -3,7 +3,7 @@
 load("//:bazlets.bzl", "load_bazlets")
 
 load_bazlets(
-    commit = "f30a992da9fc855dce819875afb59f9dd6f860cd",
+    commit = "2add9fecf8bec8634bddf354815bd0fa93f58dd5",
     #local_path = "/home/<user>/projects/bazlets"
 )