[nongnu] elpa/helm bb063b47a4 2/2: Be consistent with the return value of helm-common-dir-1

[ELPA Syncer]

branch: elpa/helm
commit bb063b47a456dd4a5d2c68dda390c07b6a877c44
Author: Thierry Volpiatto <thievol@posteo.net>
Commit: Thierry Volpiatto <thievol@posteo.net>

    Be consistent with the return value of helm-common-dir-1
    
    when giving a single file in FILES.
---
 helm-lib.el | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/helm-lib.el b/helm-lib.el
index fd809d4074..8431b26eb0 100644
--- a/helm-lib.el
+++ b/helm-lib.el
@@ -1909,7 +1909,8 @@ Take same args as `directory-files'."
                                   (nconc (list (directory-file-name base))
                                          (helm-common-dir-1 others))
                                 (list (and base (directory-file-name base)))))
-    (and files (list (file-name-directory (car files))))))
+    (and files (list (directory-file-name
+                      (file-name-directory (car files)))))))
 
 (defun helm-common-dir (files)
   "Return the longest common directory path of FILES list.