Diaspora Gemfile patch for unf_ext gem, which's rubygems version does not compile on ARM

diaspora-unf_ext.patch

diff --git a/Gemfile b/Gemfile
index 785e8bfb7..0a0f85324 100644
--- a/Gemfile
+++ b/Gemfile
@@ -313,3 +313,6 @@ group :development, :test do
   # silence assets
   gem "quiet_assets", "1.1.0"
 end
+
+
+gem "unf_ext", github: 'knu/ruby-unf_ext', branch: 'master'
diff --git a/Gemfile.lock b/Gemfile.lock
index af0893dd9..31648eccd 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,3 +1,10 @@
+GIT
+  remote: git://github.com/knu/ruby-unf_ext.git
+  revision: 8885473c13b0d8dea1465980bbf912e0ca12cd5d
+  branch: master
+  specs:
+    unf_ext (0.0.7.2)
+
 GEM
   remote: https://rubygems.org/
   remote: https://rails-assets.org/
@@ -741,7 +748,6 @@ GEM
       execjs (>= 0.3.0, < 3)
     unf (0.1.4)
       unf_ext
-    unf_ext (0.0.7.2)
     unicode-display_width (1.1.1)
     unicorn (5.1.0)
       kgio (~> 2.6)
@@ -917,6 +923,7 @@ DEPENDENCIES
   twitter-text (= 1.14.0)
   typhoeus (= 1.1.0)
   uglifier (= 3.0.2)
+  unf_ext!
   unicorn (= 5.1.0)
   unicorn-worker-killer (= 0.4.4)
   uuid (= 2.3.8)