enables vim-signs

Author: Dima Chechetkin

autoload/lsp/ui/vim/signs.vim

@@ -50,7 +50,7 @@ let s:sign_ids = {}
       echom 'calculated id: ' . l:sign_id
     endif
     try 
-      echom 'lines: ' . a:lines
+      echom 'lines: ' . a:lines['lnum']
 
       let l:command = 'sign place ' . l:sign_id 
         \ . ' line=' . a:lines['lnum']