[gnome-builder] fix return type

[Christian Hergert <chergert src gnome org>]

commit 84574ee79ecc68d9f865acf2812a042c2d40244e
Author: Christian Hergert <christian hergert me>
Date:   Sat Mar 21 16:59:20 2015 -0700

    fix return type

 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 96aec9a..00bd8b0 100644
--- a/libide/ide-source-view.c
+++ b/libide/ide-source-view.c
@@ -6203,7 +6203,7 @@ ide_source_view_get_smart_backspace (IdeSourceView *self)
 {
   IdeSourceViewPrivate *priv = ide_source_view_get_instance_private (self);
 
-  g_return_val_if_fail (IDE_IS_SOURCE_VIEW (self), NULL);
+  g_return_val_if_fail (IDE_IS_SOURCE_VIEW (self), FALSE);
 
   return priv->smart_backspace;
 }