scripts: adjust to change in flimflam.conf

Update sed cmd to reflect multi-profile changes.

BUG=chromium-os:12948
TEST=run mod_image_for_test; boot and verify flimflam.conf is properly edited

Reviewed-on: http://gerrit.chromium.org/gerrit/1198
Tested-by: Sam Leffler <sleffler@chromium.org>
Reviewed-by: Richard Barnette <jrbarnette@chromium.org>
(cherry picked from commit 71afd1fe1a0f373bd91d6b8abbccea0ca485e9cc)

Change-Id: Ie51933a024666fb97371c37c0991ce0b829ac952
Reviewed-on: http://gerrit.chromium.org/gerrit/2216
Tested-by: Sam Leffler <sleffler@chromium.org>
Reviewed-by: Puneet Kumar <puneetster@chromium.org>
diff --git a/mod_for_test_scripts/100setupTestingInterface b/mod_for_test_scripts/100setupTestingInterface
index 9fc5409..8c530ea 100755
--- a/mod_for_test_scripts/100setupTestingInterface
+++ b/mod_for_test_scripts/100setupTestingInterface
@@ -11,7 +11,7 @@
 # Prevent flimflam from taking control of the backchannel network device.
 ORIG_CONF=${ROOT_FS_DIR}/etc/init/flimflam.conf
 TEMP_CONF=${ORIG_CONF}.tmp
-sed "s,/usr/sbin/flimflamd,/usr/sbin/flimflamd -I ${testif}," ${ORIG_CONF} > ${TEMP_CONF}
+sed "s,flimflamd,flimflamd -I ${testif}," ${ORIG_CONF} > ${TEMP_CONF}
 mv -f ${TEMP_CONF} ${ORIG_CONF}
 
 # Arrange to run dhclient on the backchannel device but without