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Ahem. The `Solve' option in orientable Twiddle needs to correct the
orientations as well as the order!

[originally from svn r5733]

--- a/twiddle.c

+++ b/twiddle.c

@@ -479,6 +479,7 @@

 			      char **error)

 {

     game_state *ret = dup_game(state);

+    int i;

     /*

      * Simply replace the grid with a solved one. For this game,

@@ -488,6 +489,8 @@

      * which to practise manoeuvres.

      */

     qsort(ret->grid, ret->w*ret->h, sizeof(int), compare_int);

+    for (i = 0; i < ret->w*ret->h; i++)

+	ret->grid[i] &= ~3;

     ret->used_solve = ret->just_used_solve = TRUE;

     ret->completed = ret->movecount;