Add SMACK_LOG in client_has_access.

Add SMACK_LOG in client_has_access.

Security-server must inform that client does not have access to
some service provided by him.

Fix problem with random pid client in security-server logs.

[Issue#]   SSDWSSP-226
[Bug]      Security server shows rundom value as client pid.
[Cause]    Function responsible for client pid extraction wass comment out.
[Solution] N/A

[Verification] Run test. Check logs. Pid of client process should be
shown correctly.

Change-Id: Ifdb0712b1d6f22a71a3e90b2264666f0ec7146da