[PATCH] Fix comment typos in libstdc++ headers

[Theodore Papadopoulo]

Ralf Wildenhues wrote:
> Could someone please apply this patch for me?  Thank you.
>
> Despite its size, it should be in the "obvious" category.
> Possibly not completely trivial items are:
> - tr1/legendre_function.tcc: it's Rodriguez formula, not Rodruigez.
>   An online check suggested the more likely spelling
Except it is "Rodrigues' formula" not Rodriguez....
See http://en.wikipedia.org/wiki/Rodrigues'_formula
or    http://www.efunda.com/math/legendre/index.cfm
or    http://mathworld.wolfram.com/RodriguesRotationFormula.html

Sorry to be picky, but this is my old maths education that strikes back...

    Theo.