Add missing flags fixing the markdown parser bug
@@ -225,7 +225,7 @@ conf_data = configuration_data()
conf_data.set('URBIT_VERSION', '"0.5.1"')
osdet = build_machine.system()
-os_c_flags = []
+os_c_flags = ['-funsigned-char','-ffast-math']
os_deps = []
os_link_flags = []
