[nemiver] build fix

[Marcin Kolny <mkolny src gnome org>]

commit 7005393a8c4d914eac9705e7f47818d0f4de3578
Author: Marcin Kolny <marcin kolny gmail com>
Date:   Wed Oct 7 12:16:49 2015 +0200

    build fix

 src/confmgr/nmv-gconf-mgr.cc |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/confmgr/nmv-gconf-mgr.cc b/src/confmgr/nmv-gconf-mgr.cc
index 672935b..e212ff6 100644
--- a/src/confmgr/nmv-gconf-mgr.cc
+++ b/src/confmgr/nmv-gconf-mgr.cc
@@ -32,6 +32,7 @@
 NEMIVER_BEGIN_NAMESPACE (nemiver)
 
 using nemiver::common::GCharSafePtr;
+using nemiver::common::GErrorSafePtr;
 
 class GConfMgr : public IConfMgr {
     GConfMgr (const GConfMgr &);