Fix typo in start_services script

scripts/start_services.sh

@@ -122,7 +122,7 @@ for (( i=1; i<=$n_fst; i++ )); do
   sleep 0.1
 
   # Configure the QDB contact details in the /etc/xrd.cf.fst file
-  if [[ $with_qdb == 1]]; then
+  if [[ $with_qdb == 1 ]]; then
     docker exec -i eos-fst${i}-test echo "fstofs.qdbcluster eos-qdb-test.eoscluster.cern.ch:7777" >> /etc/xrd.cf.fst
   fi
 done