[vim] bump rust.vim
change
commit 2fc7d5c40dbb7ec873481d1835f2a3da63a061fb
author Alpha Chen <alpha.chen@gmail.com>
date
parent 7873b4cb 
diff --git a/.vim/pack/alpha/start/rust.vim b/.vim/pack/alpha/start/rust.vim
index 732b5fcb..b5d4cc25 160000
--- a/.vim/pack/alpha/start/rust.vim
+++ b/.vim/pack/alpha/start/rust.vim
@@ -1 +1 @@
-Subproject commit 732b5fcb3652f81726d5f0f5b97c9027c01f057a
+Subproject commit b5d4cc25122586939df0a5c68391f649f6c83bd8