mysql: retry on table changes
mysql: retry on table changes

As seen in the backtrace from 0d268f5df8a5b82f3bfe1128a5043131da956bb9, MySQL
now wants us to retry if the table definition changes.

Change-Id: Ib8552529e73cee4ea92c151bbe3b9879e93a3a7c
Signed-off-by: Julien Danjou <5c682c2d1ec4073e277f9ba9f4bdf07e5794dabe@danjou.info>

leandroreox/gnocchi,gnocchixyz/gnocchi,sileht/gnocchi,sileht/gnocchi,gnocchixyz/gnocchi,leandroreox/gnocchi