Fix silly syntax error

Author: lildude

bin/ghe-restore

@@ -179,7 +179,7 @@ fi
 
 echo "Restoring Git repositories ..."
 # Remove temporary 2.2 storage migration directory if it exists
-echo "[ -d /data/user/repositories-nw-backup ]; then sudo rm -rf /data/user/repositories-nw-backup; fi" |
+echo "if [ -d /data/user/repositories-nw-backup ]; then sudo rm -rf /data/user/repositories-nw-backup; fi" |
 ghe-ssh "$GHE_HOSTNAME" -- /bin/sh 1>&3
 ghe-restore-repositories-${GHE_BACKUP_STRATEGY} "$GHE_HOSTNAME" 1>&3