Updates dotfiles: 3899b2f Updates xsession and ranger

diff --git a/dotfiles b/dotfiles
index 7c266ca32e3191c172444ca8a7a5892b779ae310..3899b2fedb4dab4d822388b017cf21e3b170455c 160000 (submodule)
--- a/dotfiles
+++ b/dotfiles
@@ -1 +1 @@
-Subproject commit 7c266ca32e3191c172444ca8a7a5892b779ae310
+Subproject commit 3899b2fedb4dab4d822388b017cf21e3b170455c