[iagno] Highlight fix.

[Arnaud B. <arnaudb src gnome org>]

commit 4dbcd3e60e2f983cbe9fc2ca572a6943ad847a43
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Sat Jun 22 14:47:53 2019 +0200

    Highlight fix.
    
    If the player clicks with
    mouse a non-playable tile
    while there is a keyboard
    highlight, we need to use
    the current highlight pos
    as the "ghost highlight",
    and not the previous one.

 src/game-view.vala | 2 ++
 1 file changed, 2 insertions(+)
---
diff --git a/src/game-view.vala b/src/game-view.vala
index 8e385c8..8a1f9ae 100644
--- a/src/game-view.vala
+++ b/src/game-view.vala
@@ -902,6 +902,8 @@ private class GameView : Gtk.DrawingArea
             if (game.current_state.is_valid_location_signed (x, y))
             {
                 show_highlight = false;
+                old_highlight_x = highlight_x;
+                old_highlight_y = highlight_y;
                 queue_draw ();
                 highlight_set = true;
                 highlight_x = (uint8) x;