Prevent two E_STRICT warnings when running "php maintenance/update.php" to update...

Prevent two E_STRICT warnings when running "php maintenance/update.php" to update from 1.12 alpha to 1.13 alpha.

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# php maintenance/update.php

MediaWiki 1.13alpha Updater

Going to run database updates for wikidb
Depending on the size of your database this may take a while!
Abort with control-c in the next five seconds...0

Strict Standards: Type: 8:  Undefined offset:  1 in wiki/includes/Database.php on line 1420
    Database.tableName("ipblocks") # line 1164, file: wiki/includes/Database.php
   Database.tableExists("ipblocks") # line 203, file: wiki/maintenance/updaters.inc
  add_field("ipblocks", "ipb_id", "patch-ipblocks.sql") # line unknown, file: unknown
 call_user_func_array("add_field", Array[3]) # line 1051, file: wiki/maintenance/updaters.inc
do_all_updates(false, true) # line 60, file: wiki/maintenance/update.php

[ ... snip same warning repeated thousands of times ... ]
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... also ... :

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Strict Standards: Type: 8:  Undefined index:  USE INDEX in wiki/includes/Database.php on line 977
   Database.selectSQLText(Array[2], Array[2], Array[3], "Database::select", Array[0], Array[0]) # line 952, file: wiki/includes/Database.php
  Database.select(Array[2], Array[2], Array[3]) # line 32, file: wiki/maintenance/deleteDefaultMessages.php
 deleteDefaultMessages() # line 1077, file: wiki/maintenance/updaters.inc
do_all_updates(false, true) # line 60, file: wiki/maintenance/update.php
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