Adjust to pipewire API break

mutter.spec

@@ -7,7 +7,7 @@
 
 Name:          mutter
 Version:       3.26.0
-Release:       5%{?dist}
+Release:       6%{?dist}
 Summary:       Window and compositing manager based on Clutter
 
 License:       GPLv2+
@@ -25,6 +25,8 @@ Patch2:        mutter-3.26.0-do-not-leak-shortcut-inhibit-data.patch
 # https://bugzilla.gnome.org/show_bug.cgi?id=787570
 Patch3:        mutter-3.26.0-use-gnew0-not-gnew.patch
 
+Patch4:        0001-screen-cast-stream-src-Adjust-to-pipewire-API-break.patch
+
 BuildRequires: chrpath
 BuildRequires: pango-devel
 BuildRequires: startup-notification-devel
@@ -195,6 +197,9 @@ glib-compile-schemas %{_datadir}/glib-2.0/schemas &> /dev/null || :
 %{_datadir}/mutter/tests
 
 %changelog
+* Wed Sep 21 2017 Florian Müllner <fmuellner@redhat.com> - 3.26.0-5
+- Adjust to pipewire API break
+
 * Wed Sep 20 2017 Florian Müllner <fmuellner@redhat.com> - 3.26.0-5
 - Enable tablet support