SSG 0.1-14-14 - set_screensaver_inactivity_timeout

For SSGID Set GNOME Login Inactivity Timeout - (CCE-26828-4), with either the stig-rhel6-server or usgcb-rhel6-server profiles selected from the SCAP stream, when run with SCC 3.1.1.1, may produce a false-positive on a RHEL6V1R2 complaint machine.. With the X Window System not installed, the configuration check will fail.   Recommend verifying if a windowing system is installed, then, if applicable, check the configuration.