[shotwell] flatpak: Enable BMFF support in exiv2

[Jens Georg <jensgeorg src gnome org>]

commit fc010f8ca368f450d8870ad20ceee04718817847
Author: Jens Georg <mail jensge org>
Date:   Sun Apr 11 23:16:37 2021 +0200

    flatpak: Enable BMFF support in exiv2

 flatpak/org.gnome.Shotwell.json | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
---
diff --git a/flatpak/org.gnome.Shotwell.json b/flatpak/org.gnome.Shotwell.json
index 6838b210..3cd03eb1 100644
--- a/flatpak/org.gnome.Shotwell.json
+++ b/flatpak/org.gnome.Shotwell.json
@@ -185,7 +185,8 @@
                 "-DCMAKE_BUILD_TYPE=Release",
                 "-DEXIV2_BUILD_EXIV2_COMMAND=OFF",
                 "-DEXIV2_BUILD_SAMPLES=OFF",
-                "-DEXIV2_BUILD_UNIT_TESTS=OFF"
+                "-DEXIV2_BUILD_UNIT_TESTS=OFF",
+                "-DEXIV2_ENABLE_BMFF=ON"
             ],
             "sources" : [
                 {