[shotwell] flatpak: Update OpenCV

[Jens Georg <jensgeorg src gnome org>]

commit 815b8e7bb8d78649426e0d2f560bc8adf4c0acc0
Author: Jens Georg <mail jensge org>
Date:   Tue Nov 26 17:59:40 2019 +0100

    flatpak: Update OpenCV

 flatpak/org.gnome.Shotwell.Faces.json | 4 ++--
 flatpak/org.gnome.Shotwell.json       | 4 ++--
 2 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/flatpak/org.gnome.Shotwell.Faces.json b/flatpak/org.gnome.Shotwell.Faces.json
index e1bded2c..d4cd8312 100644
--- a/flatpak/org.gnome.Shotwell.Faces.json
+++ b/flatpak/org.gnome.Shotwell.Faces.json
@@ -54,8 +54,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "tag" : "3.4.1",
-                    "commit" : "6ffc48769ac60d53c4bd1913eac15117c9b1c9f7",
+                    "tag" : "3.4.8",
+                    "commit" : "6bdb9ca725de52ada2b452699fbbd39d8ef41188",
                     "url" : "https://github.com/opencv/opencv";
                 }
             ]
diff --git a/flatpak/org.gnome.Shotwell.json b/flatpak/org.gnome.Shotwell.json
index efba802e..e9a91da0 100644
--- a/flatpak/org.gnome.Shotwell.json
+++ b/flatpak/org.gnome.Shotwell.json
@@ -206,8 +206,8 @@
             "sources" : [
                 {
                     "type" : "git",
-                    "tag" : "3.4.1",
-                    "commit" : "6ffc48769ac60d53c4bd1913eac15117c9b1c9f7",
+                    "tag" : "3.4.8",
+                    "commit" : "6bdb9ca725de52ada2b452699fbbd39d8ef41188",
                     "url" : "https://github.com/opencv/opencv";
                 }
             ]