[baobab/wip/vala] Actually instanciate the cancellable.

[Paolo Borelli <pborelli src gnome org>]

commit ac6c87f2f54851fced5ba34f462bebd39d9001ec
Author: Paolo Borelli <pborelli gnome org>
Date:   Fri Jan 27 18:49:10 2012 +0100

    Actually instanciate the cancellable.

 src/baobab-scanner.vala |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/src/baobab-scanner.vala b/src/baobab-scanner.vala
index 155465c..f09a3d3 100644
--- a/src/baobab-scanner.vala
+++ b/src/baobab-scanner.vala
@@ -29,7 +29,7 @@ namespace Baobab {
 		}
 
 		protected HashTable<File, unowned File> excluded_locations;
-		protected Cancellable? cancellable;
+		protected Cancellable cancellable;
 		protected HardLink[] hardlinks;
 
 		protected static const string ATTRIBUTES =
@@ -57,6 +57,7 @@ namespace Baobab {
 
 		public Scanner (File directory) {
 			this.directory = directory;
+			cancellable = new Cancellable();
 			set_column_types (new Type[] {
 			                  typeof (string),  // DIR_NAME
 			                  typeof (string),  // PARSE_NAME