adjust linux-dp test

[Nathan Sidwell]

Daniel Jacobowitz wrote:

> I think you need to allow newlines in this output anyway; it might wrap
> printing many parameters of a function.  So may as well just relax the
> error for now.

it'd be easy enough to skip unrecognized lines though. but why would it wrap? 
there's a 'set width 0' to stop gdb wrapping things.


nathan

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