message: elle.log: style changes in the tests
  We have both generate_log and make_log.  Use just the latter.
diff: @@ -723,7 +723,7 @@ static
  void
  component_width()
  {
  - auto generate_log = []
  + auto make_log = []
  {
  std::stringstream output;
  elle::log::logger(std::make_unique<elle::log::TextLogger>(output));
  @@ -743,7 +743,7 @@ component_width()
  };
  elle::os::setenv("ELLE_LOG_LEVEL", "DUMP");
  - BOOST_CHECK_EQUAL(generate_log(),
  + BOOST_CHECK_EQUAL(make_log(),
  "[foo] foo.1\n"
  "[bar] bar.1\n"
  "[quuuuux] quuuuux.1\n"
  @@ -751,7 +751,7 @@ component_width()
  "[ foo ] foo.2\n");
  elle::os::setenv("ELLE_LOG_LEVEL", "TRACE");
  - BOOST_CHECK_EQUAL(generate_log(),
  + BOOST_CHECK_EQUAL(make_log(),
  "[foo] foo.1\n"
  "[bar] bar.1\n"
  "[bar] bar.2\n"
  @@ -764,7 +764,7 @@ static
  void
  nested()
  {
  - auto generate_log = []
  + auto make_log = []
  {
  std::stringstream output;
  elle::log::logger(std::make_unique<elle::log::TextLogger>(output));
  @@ -791,7 +791,7 @@ nested()
  };
  elle::os::setenv("ELLE_LOG_LEVEL", "TRACE");
  - BOOST_CHECK_EQUAL(generate_log(),
  + BOOST_CHECK_EQUAL(make_log(),
  "[foo] foo.1\n"
  "[bar] bar.1\n"
  "[baz] baz.1\n"
  @@ -803,14 +803,14 @@ nested()
  "[foo] foo.3\n");
  elle::os::setenv("ELLE_LOG_LEVEL", "baz:TRACE");
  - BOOST_CHECK_EQUAL(generate_log(),
  + BOOST_CHECK_EQUAL(make_log(),
  "[baz] baz.1\n"
  "[baz] baz.2\n"
  "[baz] baz.3\n"
  "[baz] baz.4\n");
  elle::os::setenv("ELLE_LOG_LEVEL", "bar baz:TRACE");
  - BOOST_CHECK_EQUAL(generate_log(),
  + BOOST_CHECK_EQUAL(make_log(),
  "[baz] baz.1\n"
  "[baz] baz.2\n");
  }
  