bug#24985: Add missing provide statements

[Philippe Vaucher]

> And in case they are required somewhere else, they would be reloaded,
> w/o a provide.

Also like I said in my original bug report, it forced people using "eval-after-load" to use the string parameter, which leads to problems/inconsistency in custom config or tests.

Now maybe using eval-after-load for these modes is a mistake but again it is not very consistent.

Philippe