Bug 21336: (follow-up) Fix last line after PatronRemovalDelay in pref file

Signed-off-by: Marcel de Rooy <m.de.rooy@rijksmuseum.nl>

Signed-off-by: Josef Moravec <josef.moravec@gmail.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

koha-tmpl/intranet-tmpl/prog/en/modules/admin/preferences/patrons.pref

@@ -250,4 +250,4 @@ Patrons:
          - pref: PatronAnonymizeDelay
          - days and remove anonymized patron accounts after
          - pref: PatronRemovalDelay
-         - days.<br>IMPORTANT: No action is performed when these delays are empty (no text). But a zero value ('0') is interpreted as no delay (do it now)! The actions are performed by the cleanup database cron job.
+         - "days.<br>IMPORTANT: No action is performed when these delays are empty (no text). But a zero value ('0') is interpreted as no delay (do it now)! The actions are performed by the cleanup database cron job."