[PATCH] Strip trailing newlines from input string

[Tom Tromey]

Luis> Looks good to me.

Luis> Approved-By: Luis Machado <luis.machado@arm.com>
Luis> Tested-By: Luis Machado <luis.machado@arm.com>

Thanks.

Unfortunately the CI didn't like it, but I have no idea why.
In the gdb.log the echo output doesn't appear at all.

^[[?2004h(gdb) ^[[7mecho hello^[[m^M
^M^[[A(gdb) FAIL: gdb.base/paste-newline.exp: newline removed from paste

I don't know why this would happen or how to debug it.

Tom