Fix infinite loop

Fix infinite loop

The loop is infinite due to incorrectly updated control variable vals

Change-Id: I6b8ace3e206404c75fae66e726b249950f60f46a
Signed-off-by: Oleksandr Dmytrenko <o.dmytrenko@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/15511
Reviewed-by: Phil Coval <philippe.coval@osg.samsung.com>
Reviewed-by: Jongmin Choi <jminl.choi@samsung.com>
Tested-by: jenkins-iotivity <jenkins-iotivity@opendaylight.org>
Reviewed-by: Randeep Singh <randeep.s@samsung.com>
(cherry picked from commit d68d9a1ee08a703826b06b1bb1eaebe991804585)
Reviewed-on: https://gerrit.iotivity.org/gerrit/15613