-file-list-exec-source-files implementation

[Kip Macy]

>
> ^done,symfiles={symfile=[{filename="foo.c",fullname="/home/.../foo.c"}],symfile=[{...}]},
> psymfiles={psymfile=[{filename="bar.c",fullname="/home/.../bar.c"}]}

I can't say if this output would be "appropriate", but it is more in
line with the documented MI grammar.


			-Kip