Make check fails with 2 errors.

[Michael D. Setzer II]

gmp-4.3.1 make check fail on mingw / msys.
t_inp_str.c:95 GNU MP assertion failed: fp != ((void *)0)

failed: t_inp_str.exe

Can not create file t_io_raw.tmp

failed: t_io_raw.exe

2 of 58 test failed.

I have installed latest MINGW and MSYS to test opencobol in windows
environment. gmp is required before opencobol will install.