msvcirt: Implement MSVCIRT_operator_sl_callback.

dlls/msvcirt/msvcirt.c

@@ -73,6 +73,17 @@ void * __stdcall MSVCIRT_operator_sl_pchar(class_ostream * _this, const char * s
 }
 
 /******************************************************************
+ *		??6ostream@@QAEAAV0@P6AAAV0@AAV0@@Z@Z (MSVCRTI.@)
+ *    class ostream & __thiscall ostream::operator<<(class ostream & (__cdecl*)(class ostream &))
+ */
+DEFINE_THISCALL_WRAPPER(MSVCIRT_operator_sl_callback,8)
+void * __stdcall MSVCIRT_operator_sl_callback(class_ostream * _this, class_ostream * (__cdecl*func)(class_ostream*))
+{
+   TRACE("%p, %p\n", _this, func);
+   return func(_this);
+}
+
+/******************************************************************
  *		?endl@@YAAAVostream@@AAV1@@Z (MSVCRTI.@)
  *           class ostream & __cdecl endl(class ostream &)
  */

dlls/msvcirt/msvcirt.spec

@@ -141,7 +141,7 @@
 @ stub ??6ostream@@QAEAAV0@M@Z  # class ostream & __thiscall ostream::operator<<(float)
 @ stub ??6ostream@@QAEAAV0@N@Z  # class ostream & __thiscall ostream::operator<<(double)
 @ stub ??6ostream@@QAEAAV0@O@Z  # class ostream & __thiscall ostream::operator<<(long double)
-@ stub ??6ostream@@QAEAAV0@P6AAAV0@AAV0@@Z@Z  # class ostream & __thiscall ostream::operator<<(class ostream & (__cdecl*)(class ostream &))
+@ cdecl -i386 -norelay ??6ostream@@QAEAAV0@P6AAAV0@AAV0@@Z@Z(ptr ptr) __thiscall_MSVCIRT_operator_sl_callback  # class ostream & __thiscall ostream::operator<<(class ostream & (__cdecl*)(class ostream &))
 @ stub ??6ostream@@QAEAAV0@P6AAAVios@@AAV1@@Z@Z  # class ostream & __thiscall ostream::operator<<(class ios & (__cdecl*)(class ios &))
 @ stub ??6ostream@@QAEAAV0@PAVstreambuf@@@Z  # class ostream & __thiscall ostream::operator<<(class streambuf *)
 @ stub ??6ostream@@QAEAAV0@PBC@Z  # class ostream & __thiscall ostream::operator<<(signed char const *)