from image-load-path-for-library, which are:
(image-load-path-for-library): Pass value of path rather than symbol.
Always return list of directories. Guarantee that image directory
comes first.
* mh-e.el (image-load-path): Define on those Emacsen that lack it to
avoid compile and run-time errors.
* mh-folder.el (mh-folder-mode): Use new idiom for setting
image-load-path.
* mh-letter.el (mh-letter-mode): Ditto.
* mh-utils.el (mh-logo-display): Ditto.
44e3f44013