Downgrade failures to warning.

Doing this temporarily so the probe can be added to the default set of
tests without failing a lot of sites.

nagios/org.cms.glexec/probes/org.cms.glexec/testjob/tests/glprobe.sh

@@ -22,6 +22,8 @@ do
   esac
 done
 
+NAG_CRITICAL=$NAG_WARNING
+
 exitcode=$NAG_OK
 
 # Print environment information