Declaring some class members public for BUG#12377:

"Item_date_add_interval needs to have the int_type member as Public".
As explained in the bug report, this change is is to help http://search.cpan.org/~philips/DBIx-MyParse-0.20/
So please keep those members public.

sql/item_func.h

@@ -938,7 +938,6 @@ class user_var_entry;
 class Item_func_set_user_var :public Item_func
 {
   enum Item_result cached_result_type;
-  LEX_STRING name;
   user_var_entry *entry;
   char buffer[MAX_FIELD_WIDTH];
   String value;
@@ -952,6 +951,7 @@ class Item_func_set_user_var :public Item_func
   
 
 public:
+  LEX_STRING name; // keep it public
   Item_func_set_user_var(LEX_STRING a,Item *b)
     :Item_func(b), cached_result_type(INT_RESULT), name(a)
   {}
@@ -972,10 +972,10 @@ public:
 
 class Item_func_get_user_var :public Item_func
 {
-  LEX_STRING name;
   user_var_entry *var_entry;
 
 public:
+  LEX_STRING name; // keep it public
   Item_func_get_user_var(LEX_STRING a):
     Item_func(), name(a) {}
   double val();

sql/item_strfunc.h

@@ -614,8 +614,8 @@ public:
 
 class Item_func_conv_charset :public Item_str_func
 {
-  CHARSET_INFO *conv_charset;
 public:
+  CHARSET_INFO *conv_charset; // keep it public
   Item_func_conv_charset(Item *a, CHARSET_INFO *cs) :Item_str_func(a)
   { conv_charset=cs; }
   String *val_str(String *);

sql/item_timefunc.h

@@ -607,12 +607,12 @@ enum interval_type
 
 class Item_date_add_interval :public Item_date_func
 {
-  const interval_type int_type;
   String value;
-  const bool date_sub_interval;
   enum_field_types cached_field_type;
 
 public:
+  const interval_type int_type; // keep it public
+  const bool date_sub_interval; // keep it public
   Item_date_add_interval(Item *a,Item *b,interval_type type_arg,bool neg_arg)
     :Item_date_func(a,b),int_type(type_arg), date_sub_interval(neg_arg) {}
   String *val_str(String *);
@@ -628,10 +628,10 @@ public:
 
 class Item_extract :public Item_int_func
 {
-  const interval_type int_type;
   String value;
   bool date_value;
  public:
+  const interval_type int_type; // keep it public
   Item_extract(interval_type type_arg, Item *a)
     :Item_int_func(a), int_type(type_arg) {}
   longlong val_int();
@@ -856,8 +856,8 @@ enum date_time_format
 
 class Item_func_get_format :public Item_str_func
 {
-  const timestamp_type type;
 public:
+  const timestamp_type type; // keep it public
   Item_func_get_format(timestamp_type type_arg, Item *a)
     :Item_str_func(a), type(type_arg)
   {}