MDEV-16188 Post merge fixes: trying to get rid of Windows warnings.

mysql-test/suite/sys_vars/r/sysvars_server_notembedded,32bit.rdiff

@@ -507,15 +507,6 @@
  VARIABLE_COMMENT	Maximum stored procedure recursion depth
  NUMERIC_MIN_VALUE	0
  NUMERIC_MAX_VALUE	255
-@@ -2485,7 +2485,7 @@
- VARIABLE_TYPE	BIGINT UNSIGNED
- VARIABLE_COMMENT	The maximum size of the container of a rowid filter
- NUMERIC_MIN_VALUE	1024
--NUMERIC_MAX_VALUE	18446744073709551615
-+NUMERIC_MAX_VALUE	4294967295
- NUMERIC_BLOCK_SIZE	1
- ENUM_VALUE_LIST	NULL
- READ_ONLY	NO
 @@ -2494,7 +2494,7 @@
  GLOBAL_VALUE_ORIGIN	COMPILE-TIME
  DEFAULT_VALUE	32

sql/rowid_filter.h

@@ -138,7 +138,7 @@
 
 */
 
-class TABLE;
+struct TABLE;
 class SQL_SELECT;
 class Rowid_filter_container;
 class Range_rowid_filter_cost_info;
@@ -331,7 +331,7 @@ class Refpos_container_sorted_array : public Sql_alloc
     return array->get_pos(n * elem_size);
   }
 
-  uint elements() { return array->elements() / elem_size; }
+  uint elements() { return (uint) (array->elements() / elem_size); }
 
   void sort (int (*cmp) (void *ctxt, const void *el1, const void *el2),
                          void *cmp_arg)

sql/sql_explain.cc

@@ -1639,7 +1639,7 @@ void Explain_rowid_filter::print_explain_json(Explain_query *query,
     writer->add_member("r_selectivity_pct").
       add_double(tracker->get_r_selectivity_pct() * 100.0);
     writer->add_member("r_buffer_size").
-      add_double(tracker->get_container_buff_size());
+      add_double((double) (tracker->get_container_buff_size()));
     writer->add_member("r_filling_time_ms").
       add_double(tracker->get_time_fill_container_ms());
   }