[pitivi] flatpak: Fix the option name to disable documentation

[Thibault Saunier <tsaunier src gnome org>]

commit 3090c2dc216334c6045ccfb6ed04b040af2cb6f1
Author: Thibault Saunier <tsaunier igalia com>
Date:   Sat Mar 9 09:21:14 2019 -0300

    flatpak: Fix the option name to disable documentation

 build/flatpak/org.pitivi.Pitivi.json | 18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)
---
diff --git a/build/flatpak/org.pitivi.Pitivi.json b/build/flatpak/org.pitivi.Pitivi.json
index 14a827e7..1539c4e3 100644
--- a/build/flatpak/org.pitivi.Pitivi.json
+++ b/build/flatpak/org.pitivi.Pitivi.json
@@ -459,7 +459,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -474,7 +474,7 @@
             "name": "gst-plugins-base",
             "buildsystem": "meson",
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "-Dorc=enabled",
                 "--libdir=lib"
             ],
@@ -492,7 +492,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -508,7 +508,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -524,7 +524,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -540,7 +540,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -585,7 +585,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -601,7 +601,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [
@@ -617,7 +617,7 @@
             "buildsystem": "meson",
             "builddir": true,
             "config-opts": [
-                "-Dgtkdoc=false",
+                "-Dgtk_doc=disabled",
                 "--libdir=lib"
             ],
             "sources": [