valgrind error fix(uninitialiased variable)

removed unnecessary operation


sql/sql_lex.cc:
  valgrind error fix(uninitialiased variable)
sql/sql_parse.cc:
  removed unnecessary operation

sql/sql_lex.cc

@@ -164,7 +164,7 @@ void lex_start(THD *thd, uchar *buf,uint length)
   lex->current_select= &lex->select_lex;
   lex->yacc_yyss=lex->yacc_yyvs=0;
   lex->ignore_space=test(thd->variables.sql_mode & MODE_IGNORE_SPACE);
-  lex->sql_command=SQLCOM_END;
+  lex->sql_command= lex->orig_sql_command= SQLCOM_END;
   lex->duplicates= DUP_ERROR;
   lex->ignore= 0;
   lex->sphead= NULL;

sql/sql_parse.cc

@@ -5189,7 +5189,6 @@ mysql_init_select(LEX *lex)
 {
   SELECT_LEX *select_lex= lex->current_select;
   select_lex->init_select();
-  lex->orig_sql_command= SQLCOM_END;
   lex->wild= 0;
   if (select_lex == &lex->select_lex)
   {