Added argument to CRAB setup script

SiteTests/testjob/tests/fetch-from-web-gitlab

@@ -22,9 +22,9 @@ fi
 
 # Look for curl
 if [[ $SCRAM_ARCH == slc6* ]] ; then
-    source /cvmfs/cms.cern.ch/crab3/crab.sh
+    source /cvmfs/cms.cern.ch/crab3/crab.sh prod
 else
-    source /cvmfs/cms.cern.ch/crab3/crab.sh
+    source /cvmfs/cms.cern.ch/crab3/crab.sh prod
 fi
 if [ ! type -f curl > /dev/null 2>&1 ] ; then
     echo "ERROR: cannot find curl"