Applied innodb-5.0-ss2223 snapshot

Fixes:

Bug #32083: server crashes on show status when InnoDB is not initialized
  innodb_export_status(): Check that InnoDB has been initialized
  before invoking srv_export_innodb_status().  (Bug #32083)
  This bug does not exist in MySQL/InnoDB 5.1.

sql/ha_innodb.cc

@@ -6339,7 +6339,9 @@ void
 innodb_export_status(void)
 /*======================*/
 {
+	if (innodb_inited) {
 		srv_export_innodb_status();
+	}
 }
 
 /****************************************************************************