[gnome-ostree] manifest: Switch back to tracking pixman master

[Colin Walters <walters src gnome org>]

commit 3e20bcb559a2e7dcaa6b380e4fe742e518990a63
Author: Colin Walters <walters verbum org>
Date:   Thu Oct 25 11:51:02 2012 -0400

    manifest: Switch back to tracking pixman master

 manifest.json |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 6b6965c..4ab6a30 100644
--- a/manifest.json
+++ b/manifest.json
@@ -111,8 +111,7 @@
 
 		{"src": "gnome:libxslt"},
 
-   		{"src": "fd:pixman",
-		 "tag": "600a06c81d3999bc6551c7e889726ed7b8bec84d"},
+   		{"src": "fd:pixman"},
 
    		{"src": "git:git://git.sv.nongnu.org/freetype/freetype2.git",
 		 "tag": "VER-2-4-8",