Updates vim: fcb7cd2 Attempt to map backslash as a second leader key

diff --git a/modules/vim b/modules/vim
index 324dfacb2303e6109e0198c1ca406c3e80545e13..fcb7cd20e0396a6b1fdb33bef3e76eec273dae01 160000 (submodule)
--- a/modules/vim
+++ b/modules/vim
@@ -1 +1 @@
-Subproject commit 324dfacb2303e6109e0198c1ca406c3e80545e13
+Subproject commit fcb7cd20e0396a6b1fdb33bef3e76eec273dae01