Merge bk-internal.mysql.com:/home/bk/mysql-5.1-new

into  mysql.com:/home/emurphy/src/mysql/bk-clean/mysql-5.1-merge

sql/sql_class.h

@@ -1094,6 +1094,9 @@ public:
   query_id_t query_id, warn_id;
   ulong      thread_id, col_access;
 
+#ifdef ERROR_INJECT_SUPPORT
+  ulong      error_inject_value;
+#endif
   /* Statement id is thread-wide. This counter is used to generate ids */
   ulong      statement_id_counter;
   ulong	     rand_saved_seed1, rand_saved_seed2;