units: for all unit settings that take lists, allow the empty string for resetting the lists

https://bugzilla.redhat.com/show_bug.cgi?id=756787

1 files changed, 2 insertions, 0 deletions

diff --git a/src/core/socket.h b/src/core/socket.h
index f099520dce..e0bae299b3 100644
--- a/src/core/socket.h
+++ b/src/core/socket.h
@@ -163,6 +163,8 @@ int socket_add_one_mount_link(Socket *s, Mount *m);
 /* Called from the service code when a per-connection service ended */
 void socket_connection_unref(Socket *s);
 
+void socket_free_ports(Socket *s);
+
 extern const UnitVTable socket_vtable;
 
 const char* socket_state_to_string(SocketState i);