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

@@ -43,11 +43,11 @@
 extern "C" {
 #endif
 
 #ifndef _LOCALE_T
 #define _LOCALE_T
-typedef struct locale *locale_t;
+typedef struct _locale *locale_t;
 #endif
 
 extern int mbsinit_l(const mbstate_t *, locale_t);
 
 extern size_t mbsrtowcs_l(wchar_t *_RESTRICT_KYWD, const char **_RESTRICT_KYWD,