[gnome-continuous] Disable stemming in libxmlb

[Emmanuele Bassi <ebassi src gnome org>]

commit a5a6d7b90c929cd1a0ea9aefb3c9b5e5c35aa8a5
Author: Emmanuele Bassi <ebassi gnome org>
Date:   Wed Nov 7 15:00:56 2018 +0000

    Disable stemming in libxmlb
    
    Don't even want to know what to do to build libstemmer inside
    Continuous.

 manifest.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/manifest.json b/manifest.json
index e27a8b7..4ac4196 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1274,7 +1274,7 @@
 
                 {"src": "git:https://github.com/hughsie/libxmlb.git";,
                  "name": "libxmlb",
-                 "config-opts": ["-Dgtkdoc=false"]},
+                 "config-opts": ["-Dgtkdoc=false", "-Dstemmer=false"]},
 
                {"src": "gnome:gnome-software.git",
                  "name": "gnome-software",