Updated vim plugins

sources_non_forked/vim-go/autoload/go/issue.vim

@@ -1,3 +1,7 @@
+" don't spam the user when Vim is started in Vi compatibility mode
+let s:cpo_save = &cpo
+set cpo&vim
+
 let s:templatepath = go#util#Join(expand('<sfile>:p:h:h:h'), '.github', 'ISSUE_TEMPLATE.md')
 
 function! go#issue#New() abort
@@ -31,4 +35,8 @@ function! s:issuebody() abort
   return join(body, "\n")
 endfunction
 
+" restore Vi compatibility settings
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
 " vim: sw=2 ts=2 et