[glom] ConnectionPool: Remove unnused m_dialog_epc_progress.

[Murray Cumming <murrayc src gnome org>]

commit dbe8f673c912b3883966c6edaaf891c552d91d02
Author: Murray Cumming <murrayc murrayc com>
Date:   Fri Apr 15 20:46:43 2016 +0200

    ConnectionPool: Remove unnused m_dialog_epc_progress.
    
    Found by clang++-3.9.
    The UI was moved out of this class a long time ago.

 glom/libglom/connectionpool.cc |    1 -
 glom/libglom/connectionpool.h  |    6 ------
 2 files changed, 0 insertions(+), 7 deletions(-)
---
diff --git a/glom/libglom/connectionpool.cc b/glom/libglom/connectionpool.cc
index 392603d..35a960b 100644
--- a/glom/libglom/connectionpool.cc
+++ b/glom/libglom/connectionpool.cc
@@ -104,7 +104,6 @@ std::shared_ptr<ConnectionPool> ConnectionPool::m_instance;
 ConnectionPool::ConnectionPool()
 :
   m_epc_publisher(nullptr),
-  m_dialog_epc_progress(nullptr),
   m_sharedconnection_refcount(0),
   m_ready_to_connect(false),
   m_show_debug_output(false),
diff --git a/glom/libglom/connectionpool.h b/glom/libglom/connectionpool.h
index b0792fd..17985d3 100644
--- a/glom/libglom/connectionpool.h
+++ b/glom/libglom/connectionpool.h
@@ -39,11 +39,6 @@ typedef struct _EpcContents EpcContents;
 typedef struct _EpcAuthContext EpcAuthContext;
 }
 
-namespace Gtk
-{
-  class Dialog;
-}
-
 namespace Glom
 {
 
@@ -336,7 +331,6 @@ private:
 private:
 
   EpcPublisher* m_epc_publisher;
-  Gtk::Dialog* m_dialog_epc_progress; //For progress while generating certificates.
 
   std::shared_ptr<Backend> m_backend;
   Glib::RefPtr<Gnome::Gda::Connection> m_gda_connection;