Update smart_ptr from master

grafikrobot · grafikrobot · commit 179989921c91 · 2017-03-12T17:02:14.000-05:00
diff --git a/libs/smart_ptr b/libs/smart_ptr
@@ -1 +1 @@
-Subproject commit d3b9ee7d24794b68af827170389f5f60499492d6
+Subproject commit 40c0ddcbd68c7804ee4cc35997b5a275b529b5a1
