[gnome-sudoku/multithread_printing] Use libgtop to get user's num of cpus

[Parin Porecha <parinporecha src gnome org>]

commit a90e437ff81d140e019cd5f01932591500988458
Author: Parin Porecha <parinporecha gmail com>
Date:   Fri Aug 15 12:44:38 2014 +0200

    Use libgtop to get user's num of cpus

 lib/Makefile.am           |    1 +
 lib/sudoku-generator.vala |    4 ++--
 2 files changed, 3 insertions(+), 2 deletions(-)
---
diff --git a/lib/Makefile.am b/lib/Makefile.am
index f18aca9..1db260c 100644
--- a/lib/Makefile.am
+++ b/lib/Makefile.am
@@ -26,6 +26,7 @@ libsudoku_la_VALAFLAGS = \
        --pkg gio-2.0 \
        --pkg json-glib-1.0 \
        --pkg posix \
+       --pkg GTop-2.0  \
        --target-glib= TARGET_GLIB@     \
        --header=libsudoku.h \
        --vapi=libsudoku.vapi
diff --git a/lib/sudoku-generator.vala b/lib/sudoku-generator.vala
index cb34444..c2b1c47 100644
--- a/lib/sudoku-generator.vala
+++ b/lib/sudoku-generator.vala
@@ -29,8 +29,8 @@ public class SudokuGenerator : Object
         var boards_list = new ArrayList<SudokuBoard> ();
         var boards = new SudokuBoard[nboards];
 
-//        var sysinfo = GLibtop.glibtop_sysinfo.get_sysinfo ();
-//        stdout.printf ("ncpus = %d\n", sysinfo.ncpu);
+//        var sysinfo = GTop.glibtop_get_sysinfo ();
+//        stdout.printf ("ncpus = %d\n", (int) sysinfo.ncpu);
         var ncpu = 4;
         var nthreads = int.min (ncpu, nboards);
         var base_nsudokus_each = nboards / nthreads;