message: Fix waf build
diff: @@ -165,7 +165,7 @@ def configure(conf):
  def build(bld):
  # todo: configure vars
  - cc_files = bld.path.ant_glob(['src/*.cc'])
  + cc_files = bld.path.ant_glob(['src/*.cc', 'src/messages/*.cc'])
  lib = []
  if sys.platform.startswith('linux'):
  @@ -180,6 +180,7 @@ def build(bld):
  use='clang',
  cxxflags=['-g', '-O3', '-std=c++11', '-Wall', '-Wno-sign-compare', '-Werror'],
  includes=[
  + 'src/',
  'third_party/',
  'third_party/doctest/',
  'third_party/loguru/',
  