scripts: unquoted variable reference in glibc-eglibc.sh-common

Signed-off-by: Daniel Price <daniel.price@gmail.com>
Message-Id: <12f092a95a94bcf76912.1353367250@redfish.dssd.com>
Patchwork-Id: 200215

reporter_name="Julien DUSSER"

reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00054.html"

reporter_comment="Soft-float for the 405 PowerPC"