[gnome-photos/wip/rishi/flatpak-update-exiv2-0.27.2] flatpak: Fix the exiv2 build

[Debarshi Ray <debarshir src gnome org>]

commit 6524ebe10be29651f87daa5de7b20aa946b50ed8
Author: Debarshi Ray <debarshir gnome org>
Date:   Mon Aug 19 16:26:29 2019 +0200

    flatpak: Fix the exiv2 build
    
    The exiv2-0.27.0-Source.tar.gz file doesn't exist at it's earlier
    location. Instead, http://exiv2.org/download.html links to the 0.27.2
    release.

 flatpak/org.gnome.Photos.json | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/flatpak/org.gnome.Photos.json b/flatpak/org.gnome.Photos.json
index 94355a60..d5c05347 100644
--- a/flatpak/org.gnome.Photos.json
+++ b/flatpak/org.gnome.Photos.json
@@ -191,8 +191,8 @@
             "sources": [
                 {
                     "type": "archive",
-                    "url": "https://exiv2.org/builds/exiv2-0.27.1-Source.tar.gz";,
-                    "sha256": "f125286980fd1bcb28e188c02a93946951c61e10784720be2301b661a65b3081"
+                    "url": "https://exiv2.org/builds/exiv2-0.27.2-Source.tar.gz";,
+                    "sha256": "2652f56b912711327baff6dc0c90960818211cf7ab79bb5e1eb59320b78d153f"
                 }
             ]
         },