[FIX] change back, because Clang also defines _MSC_VER
[FIX] change back, because Clang also defines _MSC_VER

bestrauc/seqan,xenigmax/seqan,bestrauc/seqan,hannespetur/SeqAnHTS,hannespetur/SeqAnHTS,bestrauc/seqan,hannespetur/SeqAnHTS,xenigmax/seqan,hannespetur/SeqAnHTS,bestrauc/seqan,bestrauc/seqan,hannespetur/SeqAnHTS,xenigmax/seqan,xenigmax/seqan,bestrauc/seqan,xenigmax/seqan,xenigmax/seqan,hannespetur/SeqAnHTS,hannespetur/SeqAnHTS,bestrauc/seqan,bestrauc/seqan,xenigmax/seqan,hannespetur/SeqAnHTS,xenigmax/seqan,hannespetur/SeqAnHTS