* socket.c (scm_bind): free soka after use.

* stime.c (tzvar): new variable.
	(setzone, restorezone, scm_localtime, scm_mktime, scm_strftime):
	avoid memory leaks when allocating.

libguile/socket.c

@@ -425,6 +425,7 @@ scm_bind (sock, fam, address, args)
   rv = bind (fd, soka, size);
   if (rv == -1)
     scm_syserror (s_bind);
+  scm_must_free ((char *) soka);
   return SCM_UNSPECIFIED;
 }