[FIX] fixed an error when openmp was available and warning
[FIX] fixed an error when openmp was available and warning

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