Add vtable-dumper package (#3728)

The tool is intended for developers of software libraries and
maintainers of Linux distributions who are interested in ensuring
backward binary compatibility.

Tested on ARM.

packages/vtable_dumper.rb

+require 'package'
+
+class Vtable_dumper < Package
+  description 'A tool to list content of virtual tables in a shared library'
+  homepage 'https://github.com/lvc/vtable-dumper'
+  version '1.2'
+  source_url 'https://github.com/lvc/vtable-dumper/archive/1.2.tar.gz'
+  source_sha256 '6993781b6a00936fc5f76dc0db4c410acb46b6d6e9836ddbe2e3c525c6dd1fd2'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+
+  def self.build
+    system 'make', "DESTDIR=#{CREW_DEST_DIR}", "prefix=#{CREW_PREFIX}"
+  end
+
+  def self.install
+    system "install -Dm755 vtable-dumper #{CREW_DEST_PREFIX}/bin/vtable-dumper"
+  end
+end