[gnome-photos/wip/phako/fix-gexiv2-build] flatpak: Use proper option for gexiv2 master

[Jens Georg <jensgeorg src gnome org>]

commit 7b96d54dec36c788180d36c0fe22b101994a73af
Author: Jens Georg <mail jensge org>
Date:   Sun Nov 18 11:14:27 2018 +0100

    flatpak: Use proper option for gexiv2 master

 flatpak/org.gnome.Photos.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Photos.json b/flatpak/org.gnome.Photos.json
index 5410a64f..35ce3227 100644
--- a/flatpak/org.gnome.Photos.json
+++ b/flatpak/org.gnome.Photos.json
@@ -198,7 +198,7 @@
         {
             "name": "gexiv2",
             "buildsystem": "meson",
-            "config-opts": [ "-Ddisable-introspection=true" ],
+            "config-opts": [ "-Dintrospection=false" ],
             "sources": [
                 {
                     "type": "git",