Update to 3.11, deprecate 3 functions

git-svn-id: svn+ssh://svn.code.sf.net/p/mingw-w64/code/trunk@385 4407c894-4637-0410-b4f5-ada5f102cad1
diff --git a/mingw-w64-headers/include/stdlib.h b/mingw-w64-headers/include/stdlib.h
index c3ad0a9..2e708e3 100644
--- a/mingw-w64-headers/include/stdlib.h
+++ b/mingw-w64-headers/include/stdlib.h
@@ -427,9 +427,10 @@
   _CRTIMP void __cdecl _wsplitpath(const wchar_t *_FullPath,wchar_t *_Drive,wchar_t *_Dir,wchar_t *_Filename,wchar_t *_Ext);
 #endif
 
-  _CRTIMP void __cdecl _beep(unsigned _Frequency,unsigned _Duration);
-  _CRTIMP void __cdecl _seterrormode(int _Mode);
-  _CRTIMP void __cdecl _sleep(unsigned long _Duration);
+  _CRTIMP void __cdecl _beep(unsigned _Frequency,unsigned _Duration) __MINGW_ATTRIB_DEPRECATED;
+  /* Not to be confused with  _set_error_mode (int).  */
+  _CRTIMP void __cdecl _seterrormode(int _Mode) __MINGW_ATTRIB_DEPRECATED;
+  _CRTIMP void __cdecl _sleep(unsigned long _Duration) __MINGW_ATTRIB_DEPRECATED;
 #endif
 
 #ifndef	NO_OLDNAMES