compile pb

[Brian Gough]

Emmanuel Chomarat writes:
 > Hello Jose,
 > 
 >       I tried yours advises on the rng subdirs. Good news, the compile
 >       works good and i succeeded in the creation of a mini lib as you
 >       explain me. But know i have a problem, when i try to create an
 >       app and to link this lib the compiler fails. The reason is the
 >       following lines:
 > 
 >                 gsl_rng_type * T;

needs to be

  const gsl_rng_type * T;

now (pointer to const). Some of the documentation was out of date,
I've updated it now.  Thanks for reporting that.