Update .gitignore for notification service add iotivity.pc, notification-service build object in .gitignore
Update .gitignore for notification service
add iotivity.pc, notification-service build object in .gitignore

Change-Id: Ic82ac71b40386142973ffa8bb11ffd01fb2df758
Signed-off-by: Hun-je Yeon <74969ca0f3b79ea815984b298e91675ca1a6af02@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/8613
Tested-by: jenkins-iotivity <09cb29e8a2b473a2c978382eec13ee06fa017bda@opendaylight.org>
Reviewed-by: Uze Choi <3a26c91d8a4a3c9e246e43339f4782bb2483aece@samsung.com>

iotivity/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,iotivity/iotivity,rzr/iotivity,rzr/iotivity