File get_blktrace.patch of Package autotest

--- tests/btreplay/btreplay.py
+++ tests/btreplay/btreplay.py
@@ -7,6 +7,7 @@
     version = 1
 
     # http://brick.kernel.dk/snaps/blktrace-git-latest.tar.gz
+    system ('wget http://brick.kernel.dk/snaps/blktrace-git-latest.tar.gz')
     def setup(self, tarball = 'blktrace-git-latest.tar.gz'):
         tarball = utils.unmap_url(self.bindir, tarball, self.tmpdir)
         autotest_utils.extract_tarball_to_dir(tarball, self.srcdir)