[gtk+/wip/matthiasc/font-features] Add a note about the required Pango patch

[Matthias Clasen <matthiasc src gnome org>]

commit 31a337f1397cf71c8d92824dafdcb91cd21dbb33
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Mar 11 12:56:07 2015 -0400

    Add a note about the required Pango patch

 demos/font-features/README |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)
---
diff --git a/demos/font-features/README b/demos/font-features/README
new file mode 100644
index 0000000..8045524
--- /dev/null
+++ b/demos/font-features/README
@@ -0,0 +1,2 @@
+An OpenType feature demonstration tool. Note that this needs a Pango patch
+which can be found in https://bugzilla.gnome.org/show_bug.cgi?id=738505