[gnome-continuous] manifest: Use the correct patch for py2cairo

[Javier Jardón Cabezas <jjardon src gnome org>]

commit fa482e9a787ff271cb3e69e68c3a1c77ed065652
Author: Javier Jardón <jjardon gnome org>
Date:   Fri Feb 17 17:13:05 2017 +0000

    manifest: Use the correct patch for py2cairo

 manifest.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 8bdb085..c96b240 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1094,7 +1094,7 @@
                {"src": "gnome:orca"},
 
                {"src": "fd:py2cairo",
-                "patches": ["pycairo-buildsys.patch"]},
+                "patches": ["py2cairo-autogen.patch"]},
 
                {"src": "gnome:pygobject",
                 "name": "pygobject-python2",