libmtp 1.1.4

- Upgrade libmtp to version 1.1.4
- Add an optional dep on libgcrypt so it can build a special mode.

Closes Homebrew/homebrew#14717.

Signed-off-by: Jack Nagel <jacknagel@gmail.com>

Formula/libmtp.rb

@@ -2,13 +2,14 @@ require 'formula'
 
 class Libmtp < Formula
   homepage 'http://libmtp.sourceforge.net/'
-  url 'http://downloads.sourceforge.net/project/libmtp/libmtp/1.1.2/libmtp-1.1.2.tar.gz'
-  sha1 '239c07afcb1ebd02b865050d0a31f5ff36b012d5'
+  url 'http://sourceforge.net/projects/libmtp/files/libmtp/1.1.4/libmtp-1.1.4.tar.gz'
+  sha1 '07f6b64e4d3c4966fab8d6d507d90eb2e6dff538'
 
   depends_on "libusb-compat"
+  depends_on "libgcrypt" => :optional
 
   def install
-    system "./configure", "--disable-debug", "--disable-dependency-tracking",
+    system "./configure", "--disable-dependency-tracking",
                           "--prefix=#{prefix}"
     system "make install"
   end