[boost] [python] boost-1.44 apply patch br#3843

I'd like to see this patch applied for 1.44. Seems pretty harmless. The purpose is so that BOOST_PYTHON_MODULE macro will expand it's arguments, so that this code will work: #define MY_NAME BOOST_PP_CAT(ldpc_,SIMCASE) BOOST_PYTHON_MODULE(MY_NAME) {... https://svn.boost.org/trac/boost/attachment/ticket/3843/boost_python_modules...