Set an option for turning Vint style issues on or off.

ale_linters/vim/vint.vim

@@ -7,11 +7,20 @@ endif
 
 let g:loaded_ale_linters_vim_vint = 1
 
+" This flag can be used to change enable/disable style issues.
+let g:ale_vim_vint_show_style_issues =
+\   get(g:, 'ale_vim_vint_show_style_issues', 1)
+
+let s:warning_flag = g:ale_vim_vint_show_style_issues ? '-s' : '-w'
 let s:format = '-f "{file_path}:{line_number}:{column_number}: {severity}: {description} (see {reference})"'
 
 call ale#linter#Define('vim', {
 \   'name': 'vint',
 \   'executable': 'vint',
-\   'command': g:ale#util#stdin_wrapper . ' .vim vint -w --no-color ' . s:format,
+\   'command': g:ale#util#stdin_wrapper
+\       . ' .vim vint '
+\       . s:warning_flag
+\       . ' --no-color '
+\       . s:format,
 \   'callback': 'ale#handlers#HandleGCCFormat',
 \})