[gnome-photos] flatpak: Style fix

[Debarshi Ray <debarshir src gnome org>]

commit 1a3f1a902677c372c1a1e9b71a297f0bc20bac5d
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Sep 8 15:41:06 2017 +0200

    flatpak: Style fix

 flatpak/org.gnome.Photos.json |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/flatpak/org.gnome.Photos.json b/flatpak/org.gnome.Photos.json
index edea85a..472a204 100644
--- a/flatpak/org.gnome.Photos.json
+++ b/flatpak/org.gnome.Photos.json
@@ -249,7 +249,7 @@
         },
         {
             "name": "gnome-photos",
-            "config-opts": [ "--disable-documentation","--disable-Werror" ],
+            "config-opts": [ "--disable-documentation", "--disable-Werror" ],
             "sources": [
                 {
                     "type": "git",