[Cython] some __Pyx_XXX functions are not emited as 'static'

[Stefan Behnel]

Lisandro Dalcin wrote:
> After running 'nm' in my petsc4py extension module, I can see the
> following extenal symbols:
>
> $ nm  PETSc.so -D --defined-only
> ....
> 00021590 T __Pyx_ErrFetch
> 000214e0 T __Pyx_ErrRestore
> 00021650 T __Pyx_ExceptionReset
> 000215e0 T __Pyx_ExceptionSave

My bad, sorry. Thanks for fixing this, Robert.

Stefan