add() first parameter (s2) is now const

[mmh] / h / utils.h

diff --git a/h/utils.h b/h/utils.h
index bed9188..13964b2 100644 (file)
--- a/h/utils.h
+++ b/h/utils.h
@@ -6,7 +6,7 @@ void *mh_xrealloc(void *, size_t);
 void *mh_xcalloc(size_t, size_t);
 void mh_free0(void *);
 char *pwd(void);
-char *add(char *, char *);
+char *add(const char *, char *);
 void create_folder(char *, int, void (*)(int));
 int num_digits(int);
 char *mh_xstrdup(char *);