Merge work:/home/bk/mysql into serg.mysql.com:/usr/home/serg/Abk/mysql

sql/mysqld.cc:
  Auto merged

sql/mysqld.cc

@@ -886,6 +886,7 @@ static void set_root(const char *path)
     sql_perror("chroot");
     unireg_abort(1);
   }
+  my_setwd("/", MYF(0));
 #endif
 }