Update SLE11-SLE12-SAP-HANA-UEFI-example.conf

Use single quotes in the password settings example
SSH_ROOT_PASSWORD='password_on_the_rear_recovery_system'
because single quotes avoid issues with special bash characters
like $ in the password, cf. #2178 and
580c38a

usr/share/rear/conf/examples/SLE11-SLE12-SAP-HANA-UEFI-example.conf

@@ -1,6 +1,6 @@
 # Begin example setup for SAP HANA on UEFI capable systems.
 # You must adapt "your.NFS.server.IP/path/to/your/rear/backup" at BACKUP_URL.
-# You may activate SSH_ROOT_PASSWORD and adapt the "password_on_the_rear_recovery_system".
+# You may activate SSH_ROOT_PASSWORD and adapt the 'password_on_the_rear_recovery_system'.
 # For basic information see the SLE11 and SLE12 manuals.
 # Also see the support database article "SDB:Disaster Recovery"
 # at http://en.opensuse.org/SDB:Disaster_Recovery
@@ -39,7 +39,7 @@ EXCLUDE_VG=( vgHANA-data-HC2 vgHANA-data-HC3 vgHANA-log-HC2 vgHANA-log-HC3 vgHAN
 BACKUP_PROG_EXCLUDE+=( '/hana/*' )
 # This option defines a root password to allow SSH connection
 # whithout a public/private key pair
-#SSH_ROOT_PASSWORD="password_on_the_rear_recovery_system"
+#SSH_ROOT_PASSWORD='password_on_the_rear_recovery_system'
 # Let the ReaR recovery system run dhclient to get an IP address
 # instead of using the same IP address as the original system:
 #USE_DHCLIENT="yes"