[sysprof] line-visualizer: use array for pointers and mark private

[Christian Hergert <chergert src gnome org>]

commit 6e8c30dfa3ef339fa30f5cf265ff8808dea50265
Author: Christian Hergert <chergert redhat com>
Date:   Tue May 15 10:01:53 2018 +0100

    line-visualizer: use array for pointers and mark private

 lib/visualizers/sp-line-visualizer-row.h |   18 ++----------------
 1 files changed, 2 insertions(+), 16 deletions(-)
---
diff --git a/lib/visualizers/sp-line-visualizer-row.h b/lib/visualizers/sp-line-visualizer-row.h
index b4125f1..07eb805 100644
--- a/lib/visualizers/sp-line-visualizer-row.h
+++ b/lib/visualizers/sp-line-visualizer-row.h
@@ -34,22 +34,8 @@ struct _SpLineVisualizerRowClass
   void (*counter_added) (SpLineVisualizerRow *self,
                          guint                counter_id);
 
-  gpointer _reserved1;
-  gpointer _reserved2;
-  gpointer _reserved3;
-  gpointer _reserved4;
-  gpointer _reserved5;
-  gpointer _reserved6;
-  gpointer _reserved7;
-  gpointer _reserved8;
-  gpointer _reserved9;
-  gpointer _reserved10;
-  gpointer _reserved11;
-  gpointer _reserved12;
-  gpointer _reserved13;
-  gpointer _reserved14;
-  gpointer _reserved15;
-  gpointer _reserved16;
+  /*< private >*/
+  gpointer _reserved[16];
 };
 
 GtkWidget *sp_line_visualizer_row_new         (void);