Fix rare data race

I had some misconception about how _Atomic and const worked.
This means the previous commit (expected distribution) could
be incorrect.

1 files changed, 2 insertions, 2 deletions

diff --git a/src/solvers/h48/stats.h b/src/solvers/h48/stats.h
index ca4b72e..5f96189 100644
--- a/src/solvers/h48/stats.h
+++ b/src/solvers/h48/stats.h
@@ -10,8 +10,8 @@ typedef struct {
         int8_t nmoves;
         int8_t depth;
         uint8_t moves[MAXLEN];
-        const uint32_t *cocsepdata;
-        const uint8_t *h48data;
+        _Atomic const uint32_t *cocsepdata;
+        _Atomic const uint8_t *h48data;
         char *s;
 } dfsarg_solveh48stats_t;