Add forkstat package

Forkstat is a program that logs process fork(), exec() and exit() activity.

Tested as working on XE500C13-K01US.

packages/forkstat.rb

+require 'package'
+
+class Forkstat < Package
+  description 'Forkstat is a program that logs process fork(), exec() and exit() activity.'
+  homepage 'http://kernel.ubuntu.com/~cking/forkstat/'
+  version '0.02.00'
+  source_url 'http://kernel.ubuntu.com/~cking/tarballs/forkstat/forkstat-0.02.00.tar.gz'
+  source_sha256 'af9513d8666441183a8952cf6092b028bc68bcbc091214df137951311615ae1d'
+
+  binary_url ({
+  })
+  binary_sha256 ({
+  })
+
+  def self.build
+    system 'make',
+      "BINDIR=#{CREW_PREFIX}/bin",
+      "MANDIR=#{CREW_PREFIX}/share/man/man1"
+  end
+
+  def self.install
+    system 'make',
+      "DESTDIR=#{CREW_DEST_DIR}",
+      "BINDIR=#{CREW_PREFIX}/bin",
+      "MANDIR=#{CREW_PREFIX}/share/man/man1",
+      'install'
+  end
+end