[schroot] Update to schroot 1.4.21, and remove boost leaf patch.

[Zach Carter]

commit 05c5bf13588e97e84e51702405025e230fd4038f
Author: Zach Carter <z.carter at f5.com>
Date:   Mon Mar 14 16:02:56 2011 -0700

    Update to schroot 1.4.21, and remove boost leaf patch.

 .gitignore                                 |    1 +
 schroot-boost-leaf-filename-function.patch |   22 ----------------------
 sources                                    |    1 +
 3 files changed, 2 insertions(+), 22 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index fc922d5..af3b521 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,3 +2,4 @@ schroot_1.4.1.orig.tar.gz
 schroot_1.4.2.orig.tar.gz
 /schroot_1.4.10.orig.tar.gz
 /schroot_1.4.19.orig.tar.bz2
+/schroot_1.4.21.orig.tar.bz2
diff --git a/sources b/sources
index e3f042f..a482771 100644
--- a/sources
+++ b/sources
@@ -2,3 +2,4 @@
 65f82b1e33c143bca832203ad1e96cf0  schroot_1.4.2.orig.tar.gz
 e45517315dcec01458b40569fab2dc4e  schroot_1.4.10.orig.tar.gz
 b4ba1738a9e211956e19920244bcecb0  schroot_1.4.19.orig.tar.bz2
+fbbb65213e26a0a3e2e1bac04a24d20d  schroot_1.4.21.orig.tar.bz2