Add (and use) a function mutt_str_replace, which essentially

replaces the sequence:

	safe_free (&s);
	s = safe_strdup (t);

1 files changed, 1 insertions, 2 deletions

diff --git a/history.c b/history.c
index dfd2234e..f38b4969 100644
--- a/history.c
+++ b/history.c
@@ -79,8 +79,7 @@ void mutt_history_add (history_class_t hclass, const char *s)
     if (prev < 0) prev = HistSize - 1;
     if (!h->hist[prev] || mutt_strcmp (h->hist[prev], s) != 0)
     {
-      safe_free ((void **) &h->hist[h->last]);
-      h->hist[h->last++] = safe_strdup (s);
+      mutt_str_replace (&h->hist[h->last++], s);
       if (h->last > HistSize - 1)
 	h->last = 0;
     }