[gnome-builder] source-view: fix non-useful precondition

[Christian Hergert <chergert src gnome org>]

commit 9788556ac8148ff4a7746b95084abdd97d69ae62
Author: Christian Hergert <christian hergert me>
Date:   Mon Apr 18 19:14:01 2016 -0700

    source-view: fix non-useful precondition

 libide/ide-source-view.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index 39e23a2..ded4f01 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -7872,7 +7872,9 @@ ide_source_view_set_count (IdeSourceView *self,
   IdeSourceViewPrivate *priv = ide_source_view_get_instance_private (self);
 
   g_return_if_fail (IDE_IS_SOURCE_VIEW (self));
-  g_return_if_fail (count <= G_MAXINT);
+
+  if (count < 0)
+    count = 0;
 
   if (count != priv->count)
     {