Patch in File::write until the next backports gem is released (fixes #175, fixes #176)

lib/fpm/monkeypatches.rb

@@ -0,0 +1,11 @@
+# Copied from https://raw.github.com/marcandre/backports/master/lib/backports/1.9.3/io.rb
+# Also Hacked just to make it work
+# This is necessary until a newer version of backports (> 2.3.0) is available
+class << IO
+  # Standard in Ruby 1.9.3 See official documentation[http://ruby-doc.org/core-1.9.3/IO.html#method-c-write]
+  def write(name, string, offset = nil, options = Backports::Undefined)
+    File.open(name, "w") do |fd|
+      fd.write(string)
+    end
+  end unless method_defined? :write
+end