Update MAVLink submodule

diff --git a/jan-e/lib/mavlink b/jan-e/lib/mavlink
index 17294529559fe7843298f1f412a979dd25035822..8a253d53d51ae01c4e1168a82967228042e26f40 160000 (submodule)
--- a/jan-e/lib/mavlink
+++ b/jan-e/lib/mavlink
@@ -1 +1 @@
-Subproject commit 17294529559fe7843298f1f412a979dd25035822
+Subproject commit 8a253d53d51ae01c4e1168a82967228042e26f40