Update runtime files.

runtime/filetype.vim

@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2015 Sep 22
+" Last Change:	2015 Oct 13
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
@@ -308,6 +308,9 @@ au BufNewFile,BufRead *.bl			setf blank
 " Blkid cache file
 au BufNewFile,BufRead */etc/blkid.tab,*/etc/blkid.tab.old   setf xml
 
+" Bazel (http://bazel.io)
+autocmd BufRead,BufNewFile *.bzl,BUILD,WORKSPACE setfiletype bzl
+
 " C or lpc
 au BufNewFile,BufRead *.c			call s:FTlpc()
 
@@ -2114,6 +2117,9 @@ au BufNewFile,BufRead *.cm			setf voscm
 " Sysctl
 au BufNewFile,BufRead */etc/sysctl.conf,*/etc/sysctl.d/*.conf	setf sysctl
 
+" Systemd unit files
+au BufNewFile,BufRead */systemd/*.{automount,mount,path,service,socket,swap,target,timer}	setf systemd
+
 " Synopsys Design Constraints
 au BufNewFile,BufRead *.sdc			setf sdc