Make the code base clean under -Wwrite-strings.

[sgt-puzzles.git] / range.c

diff --git a/range.c b/range.c
index aef74538125f3345355b1fe02ead6e61ce8fbc34..41c6a352d36fa533991bf18f71ca33f55dce6a57 100644 (file)
--- a/range.c
+++ b/range.c
@@ -66,7 +66,7 @@
 
 #define setmember(obj, field) ( (obj) . field = field )
 
-static char *nfmtstr(int n, char *fmt, ...) {
+static char *nfmtstr(int n, const char *fmt, ...) {
     va_list va;
     char *ret = snewn(n+1, char);
     va_start(va, fmt);