other-builds/moses2: add boost_serialization to linkflags (fixes build)
other-builds/moses2: add boost_serialization to linkflags (fixes build)

tofula/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,alvations/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,tofula/mosesdecoder,alvations/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,alvations/mosesdecoder,alvations/mosesdecoder,alvations/mosesdecoder,alvations/mosesdecoder,tofula/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder,moses-smt/mosesdecoder