Change default for innodb_strict_mode to FALSE.

Note that this was originally pushed by Calvin but the was later
reverted by mistake.

bug#54702

mysql-test/suite/sys_vars/r/innodb_strict_mode_basic.result

 SET @start_global_value = @@global.innodb_strict_mode;
 SELECT @start_global_value;
 @start_global_value
-1
+0
 Valid values are 'ON' and 'OFF' 
 select @@global.innodb_strict_mode in (0, 1);
 @@global.innodb_strict_mode in (0, 1)
 1
 select @@global.innodb_strict_mode;
 @@global.innodb_strict_mode
-1
+0
 select @@session.innodb_strict_mode in (0, 1);
 @@session.innodb_strict_mode in (0, 1)
 1
 select @@session.innodb_strict_mode;
 @@session.innodb_strict_mode
-1
+0
 show global variables like 'innodb_strict_mode';
 Variable_name	Value
-innodb_strict_mode	ON
+innodb_strict_mode	OFF
 show session variables like 'innodb_strict_mode';
 Variable_name	Value
-innodb_strict_mode	ON
+innodb_strict_mode	OFF
 select * from information_schema.global_variables where variable_name='innodb_strict_mode';
 VARIABLE_NAME	VARIABLE_VALUE
-INNODB_STRICT_MODE	ON
+INNODB_STRICT_MODE	OFF
 select * from information_schema.session_variables where variable_name='innodb_strict_mode';
 VARIABLE_NAME	VARIABLE_VALUE
-INNODB_STRICT_MODE	ON
+INNODB_STRICT_MODE	OFF
 set global innodb_strict_mode='OFF';
 set session innodb_strict_mode='OFF';
 select @@global.innodb_strict_mode;
@@ -117,4 +117,4 @@ INNODB_STRICT_MODE	ON
 SET @@global.innodb_strict_mode = @start_global_value;
 SELECT @@global.innodb_strict_mode;
 @@global.innodb_strict_mode
-1
+0

storage/innobase/handler/ha_innodb.cc

@@ -425,7 +425,7 @@ static MYSQL_THDVAR_BOOL(table_locks, PLUGIN_VAR_OPCMDARG,
 
 static MYSQL_THDVAR_BOOL(strict_mode, PLUGIN_VAR_OPCMDARG,
   "Use strict mode when evaluating create options.",
-  NULL, NULL, TRUE);
+  NULL, NULL, FALSE);
 
 static MYSQL_THDVAR_ULONG(lock_wait_timeout, PLUGIN_VAR_RQCMDARG,
   "Timeout in seconds an InnoDB transaction may wait for a lock before being rolled back. Values above 100000000 disable the timeout.",