Fix misc. typos

[luzpaz]

Mostly trivial source code comments.

[langou]

@luzpaz : thanks!

[musvaage]

@luzpaz

Would you have an opinion on this extract?

in the directoryso of the

$ ed -s lapack/CMAKE/Findcodecov.cmake <<<'119,122p'
  # If expression was found, SOURCEFILE is a generator-expression for an
  # object library. Currently we found no way to call this function automatic
  # for the referenced target, so it must be called in the directoryso of the
  # object library definition.
$ 

[musvaage]

I've been preparing a PR and will add this fix.

I'll assume "directory" is the intention in the extract.

in the directory of the