Alex Buckley 89d4b5ea58 Bug 21241: (follow-up) Made SQL change idempotent ... Also added the new pref to sysprefs.sql Also simplified the conditional statement. Sponsored-By: Brimbank Library, Australia Signed-off-by: Nick Clemens <nick@bywatersolutions.com>		2019-01-28 11:42:32 +00:00
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mysql	Bug 21241: (follow-up) Made SQL change idempotent	2019-01-28 11:42:32 +00:00