[gnome-continuous] Use libicu to build libpsl

[Emmanuele Bassi <ebassi src gnome org>]

commit 1dde78e155317d3f47861ab8b53e365e393d1815
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Fri Apr 6 14:37:11 2018 +0100

    Use libicu to build libpsl

 manifest.json |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)
---
diff --git a/manifest.json b/manifest.json
index 85e5a5b..a3265d8 100644
--- a/manifest.json
+++ b/manifest.json
@@ -752,7 +752,8 @@
                  ]},
 
                 {"src": "git:https://github.com/rockdaboot/libpsl.git";,
-                 "name": "libpsl"},
+                 "name": "libpsl",
+                 "config-opts": ["--enable-builtin=libicu"]},
 
                {"src": "gnome:libsoup",
                 "component": "minimal",