[network-manager-libreswan/lr/multiple-vpn] service: clean the pipe watcher source id

[Lubomir Rintel <lkundrak src gnome org>]

commit 55c1139522edb3846be1fafbe2a4292d6900fd13
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Wed Nov 4 14:00:31 2015 +0100

    service: clean the pipe watcher source id

 src/nm-libreswan-service.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/nm-libreswan-service.c b/src/nm-libreswan-service.c
index 036049c..6823cff 100644
--- a/src/nm-libreswan-service.c
+++ b/src/nm-libreswan-service.c
@@ -1467,6 +1467,7 @@ pr_cb (GIOChannel *source, GIOCondition condition, gpointer user_data)
 
        if (condition & (G_IO_ERR | G_IO_HUP)) {
                DEBUG ("PTY(%s) pipe error!", pipe->detail);
+               pipe->id = 0;
                return G_SOURCE_REMOVE;
        }
        g_assert (condition & G_IO_IN);