2964 need POSIX 2008 locale object support (more C++ fixes)

*** 145,155 ****
  /* XPG7 extended locale support */
  #if defined(_XPG7) || !defined(_STRICT_SYMBOLS)
  
  #ifndef _LOCALE_T
  #define _LOCALE_T
! typedef struct locale *locale_t;
  #endif
  
  #if     defined(__STDC__)
  extern wint_t towlower_l(wint_t, locale_t);
  extern wint_t towupper_l(wint_t, locale_t);
--- 145,155 ----
  /* XPG7 extended locale support */
  #if defined(_XPG7) || !defined(_STRICT_SYMBOLS)
  
  #ifndef _LOCALE_T
  #define _LOCALE_T
! typedef struct _locale *locale_t;
  #endif
  
  #if     defined(__STDC__)
  extern wint_t towlower_l(wint_t, locale_t);
  extern wint_t towupper_l(wint_t, locale_t);