Previous Entries / Next Entries link broken when using widget search

[Vimm]

I've noticed that (for example) on the default template when searching a blog using the search widget the Previous Entries and Next Entries links have the wrong path. However, if I do a bad search and then run a search using the search bar that shows up on the error page it works fine. When comparing the two I noticed that the widget form's action element is missing the trailing "/" which causes the links to be generated incorrectly if the blog is in a subdirectory of the domain.

[Denis-de-Bernardy]

But see #4463