fix permissions for runner script

Related: PROD-30596 (PROD:30596)

Change-Id: I1487588a775e490af405032f7cb2312abfea4535
diff --git a/xtrabackup/client/init.sls b/xtrabackup/client/init.sls
index 63d59b3..35c7c03 100644
--- a/xtrabackup/client/init.sls
+++ b/xtrabackup/client/init.sls
@@ -10,7 +10,7 @@
   - name: /usr/local/bin/innobackupex-runner.sh
   - source: salt://xtrabackup/files/innobackupex-client-runner.sh
   - template: jinja
-  - mode: 655
+  - mode: 750
   - require:
     - pkg: xtrabackup_client_packages