(read-file-name-completion-ignore-case): Add cygwin to the list.

diff --git a/lisp/minibuffer.el b/lisp/minibuffer.el
index 87318f8fe24eaede6ccf992dcf5521eed2d1185a..28765b954ac8be5e809ffd89b0167d9badd41731 100644 (file)
--- a/lisp/minibuffer.el
+++ b/lisp/minibuffer.el
@@ -1068,7 +1068,7 @@ specified by COMMON-SUBSTRING."
   "Current predicate used by `read-file-name-internal'.")
 
 (defcustom read-file-name-completion-ignore-case
-  (if (memq system-type '(ms-dos windows-nt darwin))
+  (if (memq system-type '(ms-dos windows-nt darwin cygwin))
       t nil)
   "Non-nil means when reading a file name completion ignores case."
   :group 'minibuffer