Updates luakit: 0a74f77 Support for specifiying session using environment variable...

diff --git a/modules/luakit b/modules/luakit
index e2f1fe73ae6d5cf2446918022cac89cca8d57fbd..0a74f77fae860461ab77c40ab352d96c23c14638 160000 (submodule)
--- a/modules/luakit
+++ b/modules/luakit
@@ -1 +1 @@
-Subproject commit e2f1fe73ae6d5cf2446918022cac89cca8d57fbd
+Subproject commit 0a74f77fae860461ab77c40ab352d96c23c14638