puzzles: resync with upstream

This brings the source to upstream commit 506b073 (though I have made some
extra commits on top of that). Notably this includes a fix for a double-free
bug that I myself introduced upstream.

Change-Id: I02671586bbc34d63e05398ee971271fed42538cf

1 files changed, 1 insertions, 1 deletions

diff --git a/apps/plugins/puzzles/src/unequal.c b/apps/plugins/puzzles/src/unequal.c
index db309e2c58..addcffaf68 100644
--- a/apps/plugins/puzzles/src/unequal.c
+++ b/apps/plugins/puzzles/src/unequal.c
@@ -1282,12 +1282,12 @@ fail:
 
 static key_label *game_request_keys(const game_params *params, int *nkeys)
 {
+    int i;
     int order = params->order;
     char off = (order > 9) ? '0' : '1';
     key_label *keys = snewn(order + 1, key_label);
     *nkeys = order + 1;
 
-    int i;
     for(i = 0; i < order; i++) {
         if (i==10) off = 'a'-10;
         keys[i].button = i + off;