Make the code base clean under -Wwrite-strings.

[sgt-puzzles.git] / blackbox.c

diff --git a/blackbox.c b/blackbox.c
index 829aaec4b67632db5db28ae6a4344558c54e008b..d92af92f2a81c0a4cc6234d9c4de214799e5a8da 100644 (file)
--- a/blackbox.c
+++ b/blackbox.c
@@ -251,7 +251,7 @@ static const char *validate_desc(const game_params *params, const char *desc)
 {
     int nballs, dlen = strlen(desc), i;
     unsigned char *bmp;
-    char *ret;
+    const char *ret;
 
     /* the bitmap is 2+(nballs*2) long; the hex version is double that. */
     nballs = ((dlen/2)-2)/2;