librtlsdr 0.5.3

Closes Homebrew/homebrew#26493.

Signed-off-by: Adam Vandenberg <flangy@gmail.com>

Formula/librtlsdr.rb

@@ -0,0 +1,16 @@
+require "formula"
+
+class Librtlsdr < Formula
+  homepage "http://sdr.osmocom.org/trac/wiki/rtl-sdr"
+  url "https://github.com/steve-m/librtlsdr/archive/v0.5.3.tar.gz"
+  sha1 "f6f20f7b0562a6d3f7b9ff7bff38a15bff175982"
+
+  depends_on "pkg-config" => :build
+  depends_on "cmake" => :build
+  depends_on "libusb"
+
+  def install
+    system "cmake", ".", *std_cmake_args
+    system "make", "install"
+  end
+end