ntdll: Also call fsync() for FD_TYPE_CHAR in NtFlushBuffersFile().

Fixes a regression introduced by
3078f10. Files of FD_TYPE_CHAR
were also flushed by fsync() on server before referenced commit.

Signed-off-by: Paul Gofman <pgofman@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/ntdll/unix/file.c

@@ -5720,7 +5720,7 @@ NTSTATUS WINAPI NtFlushBuffersFile( HANDLE handle, IO_STATUS_BLOCK *io )
     if (ret == STATUS_ACCESS_DENIED)
         ret = server_get_unix_fd( handle, FILE_APPEND_DATA, &fd, &needs_close, &type, NULL );
 
-    if (!ret && (type == FD_TYPE_FILE || type == FD_TYPE_DIR))
+    if (!ret && (type == FD_TYPE_FILE || type == FD_TYPE_DIR || type == FD_TYPE_CHAR))
     {
         if (fsync(fd)) ret = errno_to_status( errno );
         io->u.Status    = ret;