5.0.5 windows testing binaries have been uploaded

[Tatsuro M. <tma...@ya...>]

I have prepared 5.0.5 windows binaries and uploaded as testing ones.

https://sourceforge.net/projects/gnuplot/files/gnuplot/testing/5.0.5-windows-binary/

Please test them and report problem if you find them.

Tatsuro