fix the build error when appcliation build resource encapsulation

fix the build error when appcliation build resource encapsulation

 - add the missing header file in installed target header

Change-Id: I71b65d6df422bd758e543118c2580ac770213399
Signed-off-by: JooseokPark <jooseok.park@samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/16461
Reviewed-by: Uze Choi <uzchoi@samsung.com>
Tested-by: Uze Choi <uzchoi@samsung.com>
(cherry picked from commit 66daa4b7a6664d4ca0352571e083a90f442556a8)
Reviewed-on: https://gerrit.iotivity.org/gerrit/16463
Reviewed-by: JungYong KIM <jyong2.kim@samsung.com>