fix missing check for w:airline_disable_statusline

autoload/airline.vim

@@ -125,7 +125,7 @@ endfunction
 
 " Update the statusline
 function! airline#update_statusline()
-  if airline#util#stl_disabled()
+  if airline#util#stl_disabled(winnr())
     return
   endif
   let range = filter(range(1, winnr('$')), 'v:val != winnr()')
@@ -154,11 +154,11 @@ endfunction
 
 " Function to draw inactive statuslines for inactive windows
 function! airline#update_statusline_inactive(range)
-  if airline#util#stl_disabled()
+  if airline#util#stl_disabled(winnr())
     return
   endif
   for nr in a:range
-    if airline#util#getwinvar(nr, 'airline_disabled', 0)
+    if airline#util#stl_disabled(nr)
       continue
     endif
     call setwinvar(nr, 'airline_active', 0)

autoload/airline/util.vim

@@ -170,11 +170,11 @@ function! airline#util#themes(match)
   return sort(map(files, 'fnamemodify(v:val, ":t:r")') + ['random'])
 endfunction
 
-function! airline#util#stl_disabled()
+function! airline#util#stl_disabled(winnr)
   " setting the statusline is disabled,
   " either globally or per window
   " w:airline_disabled is deprecated!
   return get(g:, 'airline_disable_statusline', 0) ||
-   \ airline#util#getwinvar(winnr(), 'airline_disable_statusline', 0) ||
-   \ airline#util#getwinvar(winnr(), 'airline_disabled', 0)
+   \ airline#util#getwinvar(a:winnr, 'airline_disable_statusline', 0) ||
+   \ airline#util#getwinvar(a:winnr, 'airline_disabled', 0)
 endfunction

plugin/airline.vim

@@ -181,7 +181,7 @@ function! s:airline_toggle()
       endif
     augroup END
 
-    if !airline#util#stl_disabled()
+    if !airline#util#stl_disabled(winnr())
       if &laststatus < 2
         set laststatus=2
       endif