From a58c1b216bb1d4547f7b2ef2703fe2d0cd3b5cac Mon Sep 17 00:00:00 2001
From: Simon Tatham <anakin@pobox.com>
Date: Sun, 1 Oct 2017 14:45:12 +0100
Subject: Make the code base clean under -Wwrite-strings.

I've also added that warning option and -Werror to the build script,
so that I'll find out if I break this property in future.
---
 inertia.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'inertia.c')

diff --git a/inertia.c b/inertia.c
index 6c64fc0..ad58bd2 100644
--- a/inertia.c
+++ b/inertia.c
@@ -738,7 +738,8 @@ static char *solve_game(const game_state *state, const game_state *currstate,
     int *unvisited;
     int circuitlen, circuitsize;
     int head, tail, pass, i, j, n, x, y, d, dd;
-    char *err, *soln, *p;
+    const char *err;
+    char *soln, *p;
 
     /*
      * Before anything else, deal with the special case in which
-- 
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