Merge with 4.0.13

BitKeeper/etc/gone:
  auto-union
BitKeeper/etc/logging_ok:
  auto-union
myisam/sort.c:
  Auto merged
mysql-test/r/group_by.result:
  Auto merged
mysql-test/r/join_outer.result:
  Auto merged
mysql-test/r/order_by.result:
  Auto merged
mysql-test/r/query_cache.result:
  Auto merged
mysql-test/r/type_blob.result:
  Auto merged
mysql-test/r/type_ranges.result:
  Auto merged
mysql-test/r/update.result:
  Auto merged
mysql-test/t/bdb-crash.test:
  Auto merged
mysql-test/t/group_by.test:
  Auto merged
mysql-test/t/join_outer.test:
  Auto merged
mysql-test/t/order_by.test:
  Auto merged
mysql-test/t/query_cache.test:
  Auto merged
mysql-test/t/type_blob.test:
  Auto merged
mysql-test/t/type_decimal.test:
  Auto merged
mysql-test/t/type_ranges.test:
  Auto merged
mysql-test/t/update.test:
  Auto merged
sql-bench/crash-me.sh:
  Auto merged
client/mysql.cc:
  Keep old code

myisam/mi_check.c

@@ -2096,7 +2096,7 @@ err:
   Threaded repair of table using sorting
 
   SYNOPSIS
-    mi_repair_by_sort_parallel()
+    mi_repair_parallel()
     param		Repair parameters
     info		MyISAM handler to repair
     name		Name of table (for warnings)
@@ -2115,6 +2115,9 @@ err:
 int mi_repair_parallel(MI_CHECK *param, register MI_INFO *info,
 			const char * name, int rep_quick)
 {
+#ifndef THREAD
+  return mi_repair_by_sort(param, info, name, rep_quick);
+#else
   int got_error;
   uint i,key, total_key_length, istep;
   ulong rec_length;
@@ -2485,6 +2488,7 @@ err:
     share->pack.header_length=0;
   }
   DBUG_RETURN(got_error);
+#endif /* THREAD */
 }
 
 	/* Read next record and return next key */

myisam/sort.c

@@ -297,6 +297,7 @@ static ha_rows NEAR_F find_all_keys(MI_SORT_PARAM *info, uint keys,
 } /* find_all_keys */
 
 
+#ifdef THREAD
 /* Search after all keys and place them in a temp. file */
 
 pthread_handler_decl(thr_find_all_keys,arg)
@@ -590,6 +591,7 @@ int thr_write_keys(MI_SORT_PARAM *sort_param)
   my_free((gptr) mergebuf,MYF(MY_ALLOW_ZERO_PTR));
   return got_error;
 }
+#endif /* THREAD */
 
         /* Write all keys in memory to file for later merge */