Merge trift2.:/MySQL/M50/mysql-5.0

into  trift2.:/MySQL/M50/push-5.0

configure.in

@@ -2516,9 +2516,9 @@ linked_client_targets="linked_libmysql_sources"
 
 if test "$THREAD_SAFE_CLIENT" = "no"
 then
-  sql_client_dirs="strings regex mysys extra libmysql client"
+  sql_client_dirs="strings regex mysys dbug extra libmysql client"
 else
-  sql_client_dirs="strings regex mysys extra libmysql libmysql_r client"
+  sql_client_dirs="strings regex mysys dbug extra libmysql libmysql_r client"
   linked_client_targets="$linked_client_targets linked_libmysql_r_sources"
   AC_CONFIG_FILES(libmysql_r/Makefile)
   AC_DEFINE([THREAD_SAFE_CLIENT], [1], [Should be client be thread safe])

myisam/mi_packrec.c

@@ -592,8 +592,8 @@ static uint copy_decode_table(uint16 *to_pos, uint offset,
 			      uint16 *decode_table)
 {
   uint prev_offset;
-  prev_offset= offset;
   DBUG_ENTER("copy_decode_table");
+  prev_offset= offset;
 
   /* Descent on the left side. */
   if (!(*decode_table & IS_CHAR))

sql/ha_ndbcluster.cc

@@ -6111,7 +6111,7 @@ ndb_get_table_statistics(ha_ndbcluster* file, bool report_error, Ndb* ndb,
 retry:
     if(report_error)
     {
-      if (file)
+      if (file && pTrans)
       {
         reterr= file->ndb_err(pTrans);
       }