[openmpi] Use xz fro clean sources

[Orion Poplawski]

commit 83bc41f7ac7f7e24810d1784c28bde5ef0a911af
Author: Orion Poplawski <orion at nwra.com>
Date:   Fri Feb 22 11:50:27 2013 -0700

    Use xz fro clean sources

 .gitignore |    1 +
 sources    |    2 +-
 2 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/.gitignore b/.gitignore
index ef632fb..fe57f18 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,3 +8,4 @@ openmpi-1.4.1-RH.tar.bz2
 /openmpi-1.6.2-clean.tar.xz
 /openmpi-1.6.3-clean.tar.xz
 /openmpi-1.6.4-clean.tar.bz2
+/openmpi-1.6.4-clean.tar.xz
diff --git a/sources b/sources
index 89677b4..ca327e7 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-ddc82e1309834638d2b349e784da2ce3  openmpi-1.6.4-clean.tar.bz2
+edee8f55e759294da58540d796a9fbd1  openmpi-1.6.4-clean.tar.xz