ChangeSet 1.1625 was faulty as regards sql/mf_iocache.cc and LOAD DATA LOCAL replication tests

mysql-test/r/rpl_loaddatalocal.result:
  ChangeSet 1.1625 was faulty as regards this file (LOAD DATA LOCAL bug)
mysql-test/t/rpl_loaddatalocal.test:
  ChangeSet 1.1625 was faulty as regards this file (LOAD DATA LOCAL bug)
sql/mf_iocache.cc:
  ChangeSet 1.1625 was faulty as regards this file (LOAD DATA LOCAL bug)

mysql-test/r/rpl_loaddatalocal.result

+slave stop;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+reset master;
+reset slave;
+drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
+slave start;
+create table t1(a int);
+select * into outfile '../../var/master-data/rpl_loaddatalocal.select_outfile' from t1;
+truncate table t1;
+load data local infile './var/master-data/rpl_loaddatalocal.select_outfile' into table t1;
+select a,count(*) from t1 group by a;
+a	count(*)
+1	10000
+drop table t1;

mysql-test/t/rpl_loaddatalocal.test

+# See if "LOAD DATA LOCAL INFILE" is well replicated
+# (LOAD DATA LOCAL INFILE is not written to the binlog
+# the same way as LOAD DATA INFILE : Append_blocks are smaller).
+# In MySQL 4.0 <4.0.12 there were 2 bugs with LOAD DATA LOCAL INFILE :
+# - the loaded file was not written entirely to the master's binlog,
+# only the first 4KB, 8KB or 16KB usually.
+# - the loaded file's first line was not written entirely to the
+# master's binlog (1st char was absent)
+source include/master-slave.inc;
+
+create table t1(a int);
+let $1=10000;
+disable_query_log;
+set SQL_LOG_BIN=0;
+while ($1)
+{
+#eval means expand $ expressions
+ eval insert into t1 values(1);
+ dec $1;
+}
+set SQL_LOG_BIN=1;
+enable_query_log;
+select * into outfile '../../var/master-data/rpl_loaddatalocal.select_outfile' from t1;
+#This will generate a 20KB file, now test LOAD DATA LOCAL
+truncate table t1;
+load data local infile './var/master-data/rpl_loaddatalocal.select_outfile' into table t1;
+system rm ./var/master-data/rpl_loaddatalocal.select_outfile ;
+save_master_pos;
+connection slave;
+sync_with_master;
+select a,count(*) from t1 group by a;
+connection master;
+drop table t1;
+save_master_pos;
+connection slave;
+sync_with_master;

sql/mf_iocache.cc

@@ -81,7 +81,6 @@ int _my_b_net_read(register IO_CACHE *info, byte *Buffer,
 
   info->read_pos++;
 
-info->request_pos=info->read_pos;
   DBUG_RETURN(0);
 }