[network-manager-pptp] service: fix a harmless typo

[Lubomir Rintel <lkundrak src gnome org>]

commit 4a90a1646bcc97ab1e322ec16125e62ed1bb4bce
Author: Lubomir Rintel <lkundrak v3 sk>
Date:   Thu Apr 28 14:54:16 2016 +0200

    service: fix a harmless typo

 src/nm-pptp-service.c |    6 +++---
 1 files changed, 3 insertions(+), 3 deletions(-)
---
diff --git a/src/nm-pptp-service.c b/src/nm-pptp-service.c
index 40fe2bd..aa8ab13 100644
--- a/src/nm-pptp-service.c
+++ b/src/nm-pptp-service.c
@@ -57,10 +57,10 @@
 
 static gboolean debug = FALSE;
 
-static void nm_ptpp_plugin_initable_iface_init (GInitableIface *iface);
+static void nm_pptp_plugin_initable_iface_init (GInitableIface *iface);
 
 G_DEFINE_TYPE_WITH_CODE (NMPptpPlugin, nm_pptp_plugin, NM_TYPE_VPN_SERVICE_PLUGIN,
-                         G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, nm_ptpp_plugin_initable_iface_init));
+                         G_IMPLEMENT_INTERFACE (G_TYPE_INITABLE, nm_pptp_plugin_initable_iface_init));
 
 typedef struct {
        GPid pid;
@@ -1045,7 +1045,7 @@ init_sync (GInitable *object, GCancellable *cancellable, GError **error)
 }
 
 static void
-nm_ptpp_plugin_initable_iface_init (GInitableIface *iface)
+nm_pptp_plugin_initable_iface_init (GInitableIface *iface)
 {
        ginitable_parent_iface = g_type_interface_peek_parent (iface);
        iface->init = init_sync;