process: Test preproc symbols not values
process: Test preproc symbols not values

Observed when building for Tizen:RT

Bug: https://jira.iotivity.org/browse/LITE-4
Change-Id: I9ca1461efc0345fc6b47a232c287249e16d7fdcc
Signed-off-by: Philippe Coval <ff46fec9739d31cce915aabcc3a7a2c00eee4d6c@osg.samsung.com>
Reviewed-on: https://gerrit.iotivity.org/gerrit/24791
Tested-by: IoTivity Jenkins <6267f6022d49a8a37a7fe97da24aebfab797522c@iotivity.org>
Reviewed-by: jaehyun Cho <28489b2a5d4d866f0b2c5b336308eed1088d78b6@samsung.com>
Reviewed-by: Andreas Zisowsky <0f8ec8760f6bbf76e7fa9ba97460a7a7c7a7e80e@lynxtechnology.com>
Reviewed-by: Abhishek Pandey <bfec4fff64ad39722dcae01b68da676b133ad714@samsung.com>
Reviewed-by: Kishen Maloor <c62ddea3cd661a9268bff15f07fc2229cdc9ac02@intel.com>

iotivity/iotivity-constrained,iotivity/iotivity-constrained,iotivity/iotivity-constrained,iotivity/iotivity-constrained