Fixed some test cases that was not forgotten in a recent patch

sql/sql_show.cc:
  Cleanup comment
  Removed extra end space

mysql-test/r/ps_6bdb.result

@@ -1153,12 +1153,12 @@ def					id	8	3	1	N	32929	0	63
 def					select_type	253	19	6	N	1	31	8
 def					table	253	64	2	Y	0	31	8
 def					type	253	10	3	Y	0	31	8
-def					possible_keys	253	4096	0	Y	0	31	8
+def					possible_keys	252	4096	0	Y	0	31	8
 def					key	253	64	0	Y	0	31	8
 def					key_len	8	3	0	Y	32928	0	63
-def					ref	253	1024	0	Y	0	31	8
+def					ref	252	1024	0	Y	0	31	8
 def					rows	8	10	1	Y	32928	0	63
-def					Extra	253	255	0	N	1	31	8
+def					Extra	252	255	0	N	1	31	8
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t9	ALL	NULL	NULL	NULL	NULL	3	
 test_sequence

mysql-test/r/ps_7ndb.result

@@ -1153,12 +1153,12 @@ def					id	8	3	1	N	32929	0	63
 def					select_type	253	19	6	N	1	31	8
 def					table	253	64	2	Y	0	31	8
 def					type	253	10	3	Y	0	31	8
-def					possible_keys	253	4096	0	Y	0	31	8
+def					possible_keys	252	4096	0	Y	0	31	8
 def					key	253	64	0	Y	0	31	8
 def					key_len	8	3	0	Y	32928	0	63
-def					ref	253	1024	0	Y	0	31	8
+def					ref	252	1024	0	Y	0	31	8
 def					rows	8	10	1	Y	32928	0	63
-def					Extra	253	255	0	N	1	31	8
+def					Extra	252	255	0	N	1	31	8
 id	select_type	table	type	possible_keys	key	key_len	ref	rows	Extra
 1	SIMPLE	t9	ALL	NULL	NULL	NULL	NULL	2	
 test_sequence

sql/sql_show.cc

@@ -639,16 +639,18 @@ int mysqld_extend_show_tables(THD *thd,const char *db,const char *wild)
 }
 
 /*
-returns the length of the longest type on the given table.
-This is used so that show fields will return the data using the proper 
-lengths instead of forcing columns such as type to always return with a 
-given length.
+   returns the length of the longest type on the given table.
+
+   This is used so that show fields will return the data using the proper 
+   lengths instead of forcing columns such as type to always return with a 
+   given length.
 */
+
 uint get_longest_type_in_table(TABLE *table, const char *wild)
 {  
   Field **ptr,*field;
   char tmp[MAX_FIELD_WIDTH];
-  uint max_len = 0;  
+  uint max_len= 0;
 
   for (ptr=table->field; (field= *ptr); ptr++)
   {
@@ -657,12 +659,13 @@ uint get_longest_type_in_table(TABLE *table, const char *wild)
     {
       String type(tmp,sizeof(tmp), system_charset_info);
       field->sql_type(type);
-      max_len = max(max_len, type.length());     
+      max_len= max(max_len, type.length());
     }
   }
   return max_len;
 }
 
+
 /***************************************************************************
 ** List all columns in a table_list->real_name
 ***************************************************************************/