critical sonar fix

https://sonar.onap.org/project/issues?id=org.onap.aaf.authz%3Aparent&open=AWK69ZEIwGn37JfbmFIK&resolved=false&severities=CRITICAL&types=VULNERABILITY

Change-Id: I3544147a07b691de33046d7bced785e0bc23ca38
Issue-ID: AAF-457
Signed-off-by: Tomek Kaminski <tomasz.kaminski@nokia.com>
1 file changed