Updates dotfiles: c2b284d Updates xsession

diff --git a/dotfiles b/dotfiles
index 7c129fdc95d16809ece11208377e7dabb34faf46..c2b284d696c12c21bef3ec6fc5b891b2fdd6fd1c 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit 7c129fdc95d16809ece11208377e7dabb34faf46
+Subproject commit c2b284d696c12c21bef3ec6fc5b891b2fdd6fd1c