[gnome-builder] project-builder: use proper signature

[Christian Hergert <chergert src gnome org>]

commit 3bb779e7f1d02051a37ffbf02c0121834614d15b
Author: Christian Hergert <christian hergert me>
Date:   Thu Apr 16 01:21:37 2015 -0700

    project-builder: use proper signature
    
    Technically, implicit cast to gboolean is not safe on 64-bit big-endian
    since the LSB would be on the second WORD.

 src/project-tree/gb-project-tree-builder.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/project-tree/gb-project-tree-builder.c b/src/project-tree/gb-project-tree-builder.c
index c939759..a194c45 100644
--- a/src/project-tree/gb-project-tree-builder.c
+++ b/src/project-tree/gb-project-tree-builder.c
@@ -106,7 +106,7 @@ build_project (GbProjectTreeBuilder *self,
 static gint
 sort_files (IdeProjectItem *item_a,
             IdeProjectItem *item_b,
-            gboolean        directories_first)
+            gpointer        directories_first)
 {
   GFileInfo *file_info_a;
   GFileInfo *file_info_b;