From 1605408c23fa1b9252c5d3f10f279b43733b0728 Mon Sep 17 00:00:00 2001
From: jbarlow83 <jbarlow83@users.noreply.github.com>
Date: Tue, 22 Mar 2016 23:39:02 -0700
Subject: [PATCH] README: add libffi-dev

---
 README.rst | 1 +
 1 file changed, 1 insertion(+)

diff --git a/README.rst b/README.rst
index 91960efe..c1f4a8e2 100644
--- a/README.rst
+++ b/README.rst
@@ -154,6 +154,7 @@ Install system dependencies::
    sudo apt-get install \
       zlib1g-dev \
       libjpeg-dev \
+      libffi-dev \
       ghostscript \
       tesseract-ocr \
       qpdf \