[gnome-builder] build: fix whitespace

[Christian Hergert <chergert src gnome org>]

commit ea76a7076aecbcb861399bad626029398ba5b3df
Author: Christian Hergert <chergert redhat com>
Date:   Mon Jul 23 13:54:46 2018 -0700

    build: fix whitespace

 build-aux/flatpak/org.gnome.Builder.json | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/build-aux/flatpak/org.gnome.Builder.json b/build-aux/flatpak/org.gnome.Builder.json
index 42bf73b3e..8b57665be 100644
--- a/build-aux/flatpak/org.gnome.Builder.json
+++ b/build-aux/flatpak/org.gnome.Builder.json
@@ -474,7 +474,7 @@
         {
             "name" : "uncrustify",
             "buildsystem" : "cmake-ninja",
-            "config-opts": [
+            "config-opts" : [
                 "-DCMAKE_BUILD_TYPE=Release"
             ],
             "builddir" : true,