Varchar hack to clean strings removed.

storage/archive/ha_archive.cc:
  Removed Varchar cleanup hack. I'm going to commit new pack code.

storage/archive/ha_archive.cc

@@ -896,27 +896,6 @@ int ha_archive::write_row(byte *buf)
     if (init_archive_writer())
       DBUG_RETURN(HA_ERR_CRASHED_ON_USAGE);
 
-  /*
-    Varchar structures are constant in size but are not cleaned up request
-    to request. The following sets all unused space to null to improve
-    compression.
-  */
-  for (Field **field=table->field ; *field ; field++)
-  {
-    DBUG_PRINT("archive",("Pack is %d\n", (*field)->pack_length()));
-    DBUG_PRINT("archive",("MyPack is %d\n", (*field)->data_length((char*) buf + (*field)->offset(record))));
-    if ((*field)->real_type() == MYSQL_TYPE_VARCHAR)
-    {
-      char *ptr= (*field)->ptr + actual_length;
-
-      DBUG_ASSERT(actual_length <= (*field)->pack_length());
-
-      uint32 to_free= (*field)->pack_length() - actual_length; 
-      if (to_free > 0)
-        bzero(ptr, to_free);
-    }
-  }
-
   share->rows_recorded++;
   rc= real_write_row(buf, &(share->archive_write));
 error: