[gnome-builder] libide: fix warning

[Christian Hergert <chergert src gnome org>]

commit a1b06274d02d9f35688fe916b9770e95b8dcf7b4
Author: Christian Hergert <christian hergert me>
Date:   Mon Mar 9 21:05:57 2015 -0700

    libide: fix warning

 libide/ide-source-view.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/libide/ide-source-view.c b/libide/ide-source-view.c
index 8c27aa8..0d3af60 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -3997,7 +3997,7 @@ ide_source_view_place_cursor_onscreen (IdeSourceView *self)
   GtkTextBuffer *buffer;
   GtkTextMark *insert;
 
-  g_return_if_fail (IDE_IS_SOURCE_VIEW (self));
+  g_return_val_if_fail (IDE_IS_SOURCE_VIEW (self), FALSE);
 
   buffer = gtk_text_view_get_buffer (GTK_TEXT_VIEW (self));
   insert = gtk_text_buffer_get_insert (buffer);