bug image-dired fail with C-t i at first use.

[Thierry Volpiatto]

Hi,
C-t i fail when using it the very first time because image-dired-dir
doesn't exists yet.(C-t d only create dir).
Following patch fix it, but may be other functions need this too.

---
 lisp/image-dired.el |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/lisp/image-dired.el b/lisp/image-dired.el
index 4891958..bf73a5b 100644
--- a/lisp/image-dired.el
+++ b/lisp/image-dired.el
@@ -1790,6 +1790,8 @@ should feel snappy enough.
 
 If optional argument ORIGINAL-SIZE is non-nil, display image in its
 original size."
+  (unless (file-directory-p image-dired-dir)
+    (make-directory image-dired-dir t))
   (let ((new-file (expand-file-name image-dired-temp-image-file))
         width height command ret
         (image-type 'jpeg))


-- 
A+ Thierry
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