gsl 1.16-2

[Yaakov Selkowitz]

The following packages have been uploaded to the Cygwin distribution:

* gsl-1.16-2
* libgsl0-1.16-2
* libgsl-devel-1.16-2

the GNU Scientific Library, a collection of numerical routines for 
scientific computing. The library provides a wide range of mathematical 
routines such as random number generators, special functions and 
least-squares fitting.

This release rearranges the subpackages into a more conventional layout, 
and adds a patch for an issue with sorting complex numbers:

https://savannah.gnu.org/bugs/?39055