[SCM] giada/master: Add patch to build with gcc6 (Closes: ##831183).

[Fabian Greffrath]

> this patch fixing build of giada package with gcc6, but now it is not
> build with gcc5 with pbuilder :(
> Help needed please.

I can only guess since you are not providing any build logs, but there is
one thing in your patch that made me wonder. You are writing floating
point numbers in 'char buf[8];' buffers. Are you sure that they will fit?

 - Fabian