Fix inverted --local install test at end of configure.

-------- diffstat follows --------
/trunk/configure | 2 1 1 0 +-
1 file changed, 1 insertion(+), 1 deletion(-)

 reporter_name="Nye Liu"

 reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00046.html"

 reporter_comment=""