[gnote] Remove boost::format from statistics plugin

[Aurimas Černius <aurimasc src gnome org>]

commit 7c8f5ffcc0a4a46cdce56df49be55e8e3d965e37
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Fri Jan 13 22:46:39 2017 +0200

    Remove boost::format from statistics plugin

 src/addins/statistics/statistics.desktop.in.in |    2 +-
 src/addins/statistics/statisticswidget.cpp     |   10 ++++------
 2 files changed, 5 insertions(+), 7 deletions(-)
---
diff --git a/src/addins/statistics/statistics.desktop.in.in b/src/addins/statistics/statistics.desktop.in.in
index e754fca..1ef2a34 100644
--- a/src/addins/statistics/statistics.desktop.in.in
+++ b/src/addins/statistics/statistics.desktop.in.in
@@ -4,7 +4,7 @@ _Name=Statistics
 _Description=Show various statistics about notes.
 _Authors=Aurimas Černius
 Category=Tools
-Version=0.3
+Version=0.4
 DefaultEnabled=false
 Module=libstatistics
 LibgnoteRelease=@LIBGNOTE_RELEASE@
diff --git a/src/addins/statistics/statisticswidget.cpp b/src/addins/statistics/statisticswidget.cpp
index e8623b7..d03153b 100644
--- a/src/addins/statistics/statisticswidget.cpp
+++ b/src/addins/statistics/statisticswidget.cpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2013-2014 Aurimas Cernius
+ * Copyright (C) 2013-2014,2017 Aurimas Cernius
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -18,8 +18,6 @@
  */
 
 
-#include <boost/format.hpp>
-
 #include <glibmm/i18n.h>
 #include <gtkmm/treestore.h>
 
@@ -124,9 +122,9 @@ private:
       for(std::map<std::string, int>::iterator nb = notebook_stats.begin(); nb != notebook_stats.end(); 
++nb) {
         Gtk::TreeIter nb_stat = append(iter->children());
         nb_stat->set_value(0, nb->first);
-        // TRANSLATORS: %1%: boost format placeholder for the number of notes.
-        char *fmt = ngettext("%1% note", "%1% notes", nb->second);
-        nb_stat->set_value(1, str(boost::format(fmt) % nb->second));
+        // TRANSLATORS: %1 is the format placeholder for the number of notes.
+        char *fmt = ngettext("%1 note", "%1 notes", nb->second);
+        nb_stat->set_value(1, Glib::ustring::compose(fmt, nb->second));
       }
 
       DBG_OUT("Statistics updated");