win32-console-wrapper: fix printf specifiers

%s is evaluated as wchar_t only in "Windows classic" semantic. It is not
C standard compliant.

%ls is compatible with both and means the same wchar_t format.

This commit fixes error output from mpv.com.

See: https://devblogs.microsoft.com/oldnewthing/?p=102823

osdep/win32-console-wrapper.c

@@ -35,7 +35,7 @@ static void cr_perror(const wchar_t *prefix)
                    MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT),
                    (LPWSTR)&error, 0, NULL);
 
-    fwprintf(stderr, L"%s: %s", prefix, error);
+    fwprintf(stderr, L"%ls: %ls", prefix, error);
     LocalFree(error);
 }