patch 9.1.0464: no whitespace padding in commentstring option in ftplugins

Problem:  no whitespace padding in commentstring option in ftplugins
Solution: Change default to include whitespace padding, update
          existing filetype plugins with the new default value
          (Riley Bruins)

closes: #14843

Signed-off-by: Riley Bruins <ribru17@hotmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/ftplugin/openvpn.vim b/runtime/ftplugin/openvpn.vim
index 56c0f25..9cd7b7a 100644
--- a/runtime/ftplugin/openvpn.vim
+++ b/runtime/ftplugin/openvpn.vim
@@ -2,6 +2,7 @@
 " Language:	OpenVPN
 " Maintainer:	ObserverOfTime <chronobserver@disroot.org>
 " Last Change:	2022 Oct 16
+" 		2024 May 23 by Riley Bruins <ribru17@gmail.com> ('commentstring')
 
 if exists('b:did_ftplugin')
   finish
@@ -9,6 +10,6 @@
 let b:did_ftplugin = 1
 
 setlocal iskeyword+=-,.,/
-setlocal comments=:#,:; commentstring=#%s
+setlocal comments=:#,:; commentstring=#\ %s
 
 let b:undo_ftplugin = 'setl isk< com< cms<'