runtime(netrw): Fix typo in netrw#NetWrite (#14283)

Fix typo in netrw#NetWrite (http) error message call.

Signed-off-by: Doug Kearns <dougkearns@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/autoload/netrw.vim b/runtime/autoload/netrw.vim
index 2206c21..b91dab4 100644
--- a/runtime/autoload/netrw.vim
+++ b/runtime/autoload/netrw.vim
@@ -2727,7 +2727,7 @@
      let url= g:netrw_choice
      call s:NetrwExe(s:netrw_silentxfer."!".g:netrw_http_put_cmd." ".s:ShellEscape(tmpfile,1)." ".s:ShellEscape(url,1) )
     elseif !exists("g:netrw_quiet")
-     call netrw#ErrorMsg(s:ERROR,"can't write to http using <".g:netrw_http_put_cmd.">".",16)
+     call netrw#ErrorMsg(s:ERROR,"can't write to http using <".g:netrw_http_put_cmd.">",16)
     endif
 
    ".........................................