Disable session debugging after its not necessary anymore.

mysql-test/t/log_tables_debug.test

@@ -28,7 +28,7 @@ let MYSQLD_DATADIR= `SELECT @@datadir`;
 SET @@global.general_log = ON;
 SET @@global.general_log_file = 'bug45387_general.log';
 
-# turn on output of timestamps on all log file entries, 
+# turn on output of timestamps on all log file entries
 SET SESSION debug='+d,reset_log_last_time';
 
 let CONN_ID= `SELECT CONNECTION_ID()`;
@@ -37,7 +37,7 @@ FLUSH LOGS;
 # reset log settings
 SET @@global.general_log = @old_general_log;
 SET @@global.general_log_file = @old_general_log_file;
-SET SESSION debug='-d,reset_log_last_time';
+SET SESSION debug='-d';
 
 perl;
   # get the relevant info from the surrounding perl invocation
@@ -92,4 +92,3 @@ if(!$fixed_bug38124)
    eval SET @@global.slow_query_log_file = '$my_var';
    --enable_query_log
 }
-