[gnome-continuous] Build GLib with Python 3

[Emmanuele Bassi <ebassi src gnome org>]

commit cff971c8a1078721eae19f7b7b663d457308a9c3
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Jul 14 21:12:24 2017 +0100

    Build GLib with Python 3
    
    The glib-mkenums port broke Python 2 support; while we fix it, let's get
    back to building GLib.

 manifest.json |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index bfffee3..ac1f3e4 100644
--- a/manifest.json
+++ b/manifest.json
@@ -78,7 +78,8 @@
                  "requires": {"pkgconfig": ["libffi >= 3.0.10"]},
                  "config-opts": ["--disable-modular-tests",
                                 "--enable-installed-tests",
-                                "--with-pcre=internal"],
+                                "--with-pcre=internal",
+                                 "--with-python=python3"],
                  "irc_room": "gtk+"},
 
                {"src": "gnome:gnome-common",