Merge pull request #13701 from erw7/fix-checkhealth

Fix checkhealth problems

runtime/autoload/health/nvim.vim

@@ -42,7 +42,7 @@ function! s:check_config() abort
   endif
 
   let writeable = v:true
-  let shadafile = substitute(matchstr(
+  let shadafile = empty(&shada) ? &shada : substitute(matchstr(
         \ split(&shada, ',')[-1], '^n.\+'), '^n', '', '')
   let shadafile = empty(&shadafile) ? empty(shadafile) ?
         \ stdpath('data').'/shada/main.shada' : expand(shadafile)
@@ -247,6 +247,10 @@ function! s:check_terminal() abort
   let kdch1_entry = matchstr(out, 'key_dc=[^,[:space:]]*')
 
   if v:shell_error
+        \ && (!has('win32')
+        \ || empty(matchstr(out,
+        \                   'infocmp: couldn''t open terminfo file .\+'
+        \                   ..'\%(conemu\|vtpcon\|win32con\)')))
     call health#report_error('command failed: '.cmd."\n".out)
   else
     call health#report_info('key_backspace (kbs) terminfo entry: '