Update dragonnet version

diff --git a/deps/dragonnet b/deps/dragonnet
index 8abd27b511a8abf15fee956ea1bebce673d35688..0557f787cf52b2ef9f15d7dd99ce8ffc571c6b8f 160000 (submodule)
--- a/deps/dragonnet
+++ b/deps/dragonnet
@@ -1 +1 @@
-Subproject commit 8abd27b511a8abf15fee956ea1bebce673d35688
+Subproject commit 0557f787cf52b2ef9f15d7dd99ce8ffc571c6b8f