[nongnu] elpa/helm 3f8c40ed91 4/4: Simplify helm-open-file-with-default-tool

[ELPA Syncer]

branch: elpa/helm
commit 3f8c40ed912aa4fe47338a92e5d6106f987dd494
Author: Thierry Volpiatto <thievol@posteo.net>
Commit: Thierry Volpiatto <thievol@posteo.net>

    Simplify helm-open-file-with-default-tool
---
 helm-utils.el | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

diff --git a/helm-utils.el b/helm-utils.el
index 49c3034688..2099963a79 100644
--- a/helm-utils.el
+++ b/helm-utils.el
@@ -1052,13 +1052,10 @@ Assume regexp is a pcre based regexp."
         (helm-w32-shell-execute-open-file file)
       (start-process "helm-open-file-with-default-tool"
                      nil
-                     (cond ((eq system-type 'gnu/linux)
-                            "xdg-open")
-                           ((or (eq system-type 'darwin) ;; Mac OS X
-                                (eq system-type 'macos)) ;; Mac OS 9
-                            "open")
-                          ((eq system-type 'cygwin)
-                           "cygstart"))
+                     (helm-acase system-type
+                       (gnu/linux "xdg-open")
+                       ((darwin macos) "open")
+                       (cygwin "cygstart"))
                      file))))
 
 (defun helm-open-dired (file)