lib: Add back sockunion_str2su
* sockunion.h: Add back sockunion_str2su, its removal breaks things needlessly
(e.g. our own unit tests).
* sockunion.c: (sockunion_str2su) implement on top of str2sockunion.
diff --git a/lib/sockunion.h b/lib/sockunion.h
index 1a0a3c9..b9f3514 100644
--- a/lib/sockunion.h
+++ b/lib/sockunion.h
@@ -88,6 +88,7 @@
extern int sockunion_cmp (union sockunion *, union sockunion *);
extern int sockunion_same (union sockunion *, union sockunion *);
+extern union sockunion *sockunion_str2su (const char *str);
extern int sockunion_accept (int sock, union sockunion *);
extern int sockunion_stream_socket (union sockunion *);
extern int sockopt_reuseaddr (int);