Fix testcase to be platform-independent

mysql-test/r/innodb_mysql.result

-drop table if exists t1,t2;
+drop table if exists t1,t2,t3,t4;
 create table t1 (
 c_id int(11) not null default '0',
 org_id int(11) default null,
@@ -711,7 +711,7 @@ EXPLAIN
 SELECT COUNT(*) FROM t1 
 WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	ALL	idx_b,idx_c	NULL	NULL	NULL	3263	Using where
+1	SIMPLE	t1	ALL	idx_b,idx_c	NULL	NULL	NULL	#	Using where
 SELECT COUNT(*) FROM t1 
 WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;
 COUNT(*)
@@ -720,7 +720,7 @@ EXPLAIN
 SELECT COUNT(*) FROM t1 FORCE INDEX(idx_b, idx_c) 
 WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
-1	SIMPLE	t1	index_merge	idx_b,idx_c	idx_c,idx_b	8,4	NULL	3262	Using sort_union(idx_c,idx_b); Using where
+1	SIMPLE	t1	index_merge	idx_b,idx_c	idx_c,idx_b	8,4	NULL	#	Using sort_union(idx_c,idx_b); Using where
 SELECT COUNT(*) FROM t1 FORCE INDEX(idx_b, idx_c)
 WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;
 COUNT(*)

mysql-test/t/innodb_mysql.test

 -- source include/have_innodb.inc
 
 --disable_warnings
-drop table if exists t1,t2;
+drop table if exists t1,t2,t3,t4;
 --enable_warnings
 
 # BUG#16798: Uninitialized row buffer reads in ref-or-null optimizer
@@ -709,12 +709,14 @@ set @@sort_buffer_size=8192;
 
 SELECT COUNT(*) FROM t1;
 
+--replace_column 9 #
 EXPLAIN 
 SELECT COUNT(*) FROM t1 
   WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;
 SELECT COUNT(*) FROM t1 
   WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;
 
+--replace_column 9 #
 EXPLAIN 
 SELECT COUNT(*) FROM t1 FORCE INDEX(idx_b, idx_c) 
   WHERE (c >= '2007-01-02' AND c <= '2007-01-03') OR b >= 1;