slicot_f2c for Nelson

slicot 5.9 library using f2c for Nelson

based on https://github.com/SLICOT/SLICOT-Reference (BSD-3-Clause)

build

at Nelson's prompt go to this directory and type:

run('build_slicot.m');

generated dynamic library will be copy in nelson's bin directory if rights are allowed. required a nelson local build.