Updates dotfiles: 6b7a2ff Updates xsession

diff --git a/dotfiles b/dotfiles
index d520a536c20a66ff12cb863b026eb4d94e00312d..6b7a2ffbb608873d2c3df86b82732fc2df17989b 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit d520a536c20a66ff12cb863b026eb4d94e00312d
+Subproject commit 6b7a2ffbb608873d2c3df86b82732fc2df17989b