Support for RUNTESTFLAGS in DejaGnu test harness for libstdc++-v3?

[Gabriel Dos Reis]

Loren James Rittle <rittle@latour.rsch.comm.mot.com> writes:

| This is not an obvious regression from before the conversion to
| dejagnu (one had to hand-edit a file), but it is a remaining
| difference from how the rest of the tree works.  At some point, this
| will annoy me enough to fix but in case it is obvious to our fearless
| dejagnu test harness writer, I post this now... ;-)

Thansk for the feedback.  Will take care of it.

-- Gaby