Fix "Older" right-arrow in pagination wrapping to new line

[avojak]

Fixes the "Older ->" right-arrow wrapping to a new line, for example at the bottom of https://blog.elementary.io.

Before/after testing the change after adding some more test posts to force the link to appear:

Also a before/after side-by-side with the "<- Newer" and "Older ->" links to show consistency: