Fixed (portability) bug in handler.h, and tried to silence cast warnings on some platforms.

sql/handler.h:
  Fixed (portability) bug. No qualified method names in the class definition.
sql/item_cmpfunc.h:
  Attempt to silence cast warnings on some platforms.
sql/item_subselect.h:
  Attempt to silence cast warnings on some platforms.
sql/set_var.cc:
  Silence warning (missing cast).
sql/spatial.h:
  Attempt to silence cast warnings on some platforms.
sql/sql_cache.cc:
  Silence warning (wrong cast).
sql/sql_lex.h:
  Attempt to silence cast warnings on some platforms.

1 files changed, 9 insertions, 3 deletions

diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 50f13a0391c..78bf3bdd5f5 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -341,12 +341,18 @@ public:
   bool create_total_list(THD *thd, st_lex *lex, TABLE_LIST **result);
   st_select_lex_unit* master_unit();
   st_select_lex* outer_select();
-  st_select_lex* first_select() { return (st_select_lex*) slave; }
+  st_select_lex* first_select()
+  {
+    return my_reinterpret_cast(st_select_lex*)(slave);
+  }
   st_select_lex* first_select_in_union() 
   { 
-    return (st_select_lex*) slave;
+    return my_reinterpret_cast(st_select_lex*)(slave);
+  }
+  st_select_lex_unit* next_unit()
+  {
+    return my_reinterpret_cast(st_select_lex_unit*)(next);
   }
-  st_select_lex_unit* next_unit() { return (st_select_lex_unit*) next; }
   st_select_lex* return_after_parsing() { return return_to; }
   void exclude_level();
   void exclude_tree();