Updates vim: f5eb6ae Avoid slowness due to too many opened buffers

diff --git a/modules/vim b/modules/vim
index 7a8a48f3072c0124734573d42f525ca481a66ddd..f5eb6aeba4e3c2d21fe81b87bcb3bbe19eeb575d 160000 (submodule)
--- a/modules/vim
+++ b/modules/vim
@@ -1 +1 @@
-Subproject commit 7a8a48f3072c0124734573d42f525ca481a66ddd
+Subproject commit f5eb6aeba4e3c2d21fe81b87bcb3bbe19eeb575d