[Cython] [PATCH] Make __Pyx_ArgTypeTest() use "const char*" to suppress warning

[Stefan Behnel]

Hi,

Ondrej Certik wrote:
> please pull from here another const fix.
> 
> http://freehg.org/u/certik/cython-devel/

Sorry, the const change in __Pyx_ImportType() breaks building under Py2.3, so
it can't go in.

Stefan