moonshot: update to fix segfault

diff --git a/moonshot b/moonshot
index 2707e74..a5103db 160000 (submodule)
--- a/moonshot
+++ b/moonshot
@@ -1 +1 @@
-Subproject commit 2707e7473b8b85fa46033a8ff7cfa126384ac8d9
+Subproject commit a5103dbe022b81c56549d0eb34ffa1d8074747e5