5.0->5.1 merge

  remove options2 as it longer needed as serg put SELECT_ALL in bit 24, (removed something)
  making second word not needed


sql/sql_lex.cc:
  remove options2 as it no longer needed
sql/sql_lex.h:
  remove options2 as it no longer needed
sql/sql_yacc.yy:
  remove options2 as it no longer needed

sql/sql_lex.cc

@@ -135,7 +135,6 @@ void lex_start(THD *thd, uchar *buf,uint length)
   lex->select_lex.link_next= lex->select_lex.slave= lex->select_lex.next= 0;
   lex->select_lex.link_prev= (st_select_lex_node**)&(lex->all_selects_list);
   lex->select_lex.options= 0;
-  lex->select_lex.options2= 0;
   lex->select_lex.init_order();
   lex->select_lex.group_list.empty();
   lex->describe= 0;
@@ -1065,7 +1064,6 @@ int yylex(void *arg, void *yythd)
 void st_select_lex_node::init_query()
 {
   options= 0;
-  options2= 0;
   linkage= UNSPECIFIED_TYPE;
   no_error= no_table_names_allowed= 0;
   uncacheable= 0;
@@ -1129,7 +1127,6 @@ void st_select_lex::init_select()
   table_join_options= 0;
   in_sum_expr= with_wild= 0;
   options= 0;
-  options2= 0;
   braces= 0;
   when_list.empty();
   expr_list.empty();

sql/sql_lex.h

@@ -297,7 +297,6 @@ class st_select_lex_node {
 public:
 
   uint32 options;
-  uint32 options2;
   /*
     result of this query can't be cached, bit field, can be :
       UNCACHEABLE_DEPENDENT

sql/sql_yacc.yy

@@ -4029,7 +4029,7 @@ select_options:
 	/* empty*/
 	| select_option_list
 	  {
-	    if (Select->options & SELECT_DISTINCT && Select->options2 & SELECT_ALL)
+	    if (Select->options & SELECT_DISTINCT && Select->options & SELECT_ALL)
 	    {
 	      my_error(ER_WRONG_USAGE, MYF(0), "ALL", "DISTINCT");
               YYABORT;
@@ -4069,7 +4069,7 @@ select_option:
 	  {
 	    Lex->select_lex.options|= OPTION_TO_QUERY_CACHE;
 	  }
-	| ALL		    { Select->options2|= SELECT_ALL; }
+	| ALL		    { Select->options|= SELECT_ALL; }
 	;
 
 select_lock_type: