Revert "Remove buffer restriction when writing temp file"

Author: jamescherti

README.md

@@ -48,7 +48,7 @@ This program is free software: you can redistribute it and/or modify it under th
 
 This issue is a known bug in `ansible-lint`, not in `flymake-ansible-lint`.
 
-It is `ansible-lint` that truncates some error messages:
+It is `ansible-lint` that cuts off error messages:
 ```
 $ ansible-lint -p test.yaml
 test.yaml:5: yaml[truthy]: Truthy value should be one of

flymake-ansible-lint.el

@@ -259,9 +259,7 @@ Returns the path of the newly created temporary file."
                    (file-exists-p temp-file-path)))
         (setq counter (1+ counter)))
       (unless (file-exists-p temp-file-path)
-        (save-restriction
-          (widen)
-          (write-region (point-min) (point-max) temp-file-path nil 'quiet))
+        (write-region (point-min) (point-max) temp-file-path nil 'quiet)
         temp-file-path))))
 
 (flymake-ansible-lint--quickdef-backend flymake-ansible-lint-backend