After merge fixes

mysql-test/r/query_cache.result:
  Updated test for 4.1
mysql-test/t/query_cache.test:
  Updated test for 4.1
sql/sql_parse.cc:
  After merge fix
sql/sql_yacc.yy:
  After merge fix

mysql-test/r/query_cache.result

@@ -566,7 +566,6 @@ show status like "Qcache_queries_in_cache";
 Variable_name	Value
 Qcache_queries_in_cache	0
 drop table t1;
-drop table if exists t1;
 create table t1 (a int);
 insert into t1 values (1),(2),(3);
 show status like "Qcache_queries_in_cache";

mysql-test/t/query_cache.test

@@ -416,7 +416,6 @@ drop table t1;
 # INTO OUTFILE/DUMPFILE test
 #
 
-drop table if exists t1;
 create table t1 (a int);
 insert into t1 values (1),(2),(3);
 show status like "Qcache_queries_in_cache";

sql/sql_parse.cc

@@ -3433,7 +3433,7 @@ bool add_field_to_list(THD *thd, char *field_name, enum_field_types type,
     }
     else if (type_modifier & AUTO_INCREMENT_FLAG)
     {
-      net_printf(&thd, ER_INVALID_DEFAULT, field_name);
+      net_printf(thd, ER_INVALID_DEFAULT, field_name);
       DBUG_RETURN(1);
     }
   }

sql/sql_yacc.yy

@@ -3081,7 +3081,7 @@ into:
 	  LEX *lex=Lex;
 	  if (!lex->describe)
 	  {
-	    lex->uncacheable()
+	    lex->uncacheable();
 	    if (!(lex->exchange= new sql_exchange($3.str,0)))
 	      YYABORT;
 	    if (!(lex->result= new select_export(lex->exchange)))
@@ -3094,7 +3094,7 @@ into:
 	  LEX *lex=Lex;
 	  if (!lex->describe)
 	  {
-	    lex->uncacheable()
+	    lex->uncacheable();
 	    if (!(lex->exchange= new sql_exchange($3.str,1)))
 	      YYABORT;
 	    if (!(lex->result= new select_dump(lex->exchange)))