Bug#20166 mysql-test-run.pl does not test system privilege tables creation

 - Fixes for 5.1


sql/log.cc:
  Use "pidfile_name" instead of "glob_hostname" as base for
  log file name
sql/mysqld.cc:
  Use "pidfile_name" instead of "glob_hostname" as base for
  log file name

sql/log.cc

@@ -75,7 +75,7 @@ sql_print_message_func sql_print_message_handlers[3] =
 
 char *make_default_log_name(char *buff,const char* log_ext)
 {
-  strmake(buff, glob_hostname, FN_REFLEN-5);
+  strmake(buff, pidfile_name, FN_REFLEN-5);
   return fn_format(buff, buff, mysql_data_home, log_ext,
                    MYF(MY_UNPACK_FILENAME|MY_APPEND_EXT));
 }

sql/mysqld.cc

@@ -3120,7 +3120,7 @@ static int init_server_components()
   if (opt_error_log)
   {
     if (!log_error_file_ptr[0])
-      fn_format(log_error_file, glob_hostname, mysql_data_home, ".err",
+      fn_format(log_error_file, pidfile_name, mysql_data_home, ".err",
                 MY_REPLACE_EXT); /* replace '.<domain>' by '.err', bug#4997 */
     else
       fn_format(log_error_file, log_error_file_ptr, mysql_data_home, ".err",