[FIX] adpated test_bam_io to comply with the new behaviour of tell()
[FIX] adpated test_bam_io to comply with the new behaviour of tell()

ktrappe/seqan,bayolau/seqan,bayolau/seqan,catkira/seqan,hannespetur/SeqAnHTS,JohnReid/seqan,budach/seqan,bestrauc/seqan,hannespetur/SeqAnHTS,bayolau/seqan,limeng12/seqan,hannespetur/SeqAnHTS,ktrappe/seqan,bayolau/seqan,hannespetur/SeqAnHTS,budach/seqan,budach/seqan,JohnReid/seqan,xenigmax/seqan,ktrappe/seqan,ktrappe/seqan,bestrauc/seqan,bestrauc/seqan,budach/seqan,JohnReid/seqan,bayolau/seqan,limeng12/seqan,xenigmax/seqan,bayolau/seqan,catkira/seqan,budach/seqan,budach/seqan,catkira/seqan,catkira/seqan,catkira/seqan,hannespetur/SeqAnHTS,bayolau/seqan,JohnReid/seqan,bayolau/seqan,budach/seqan,bestrauc/seqan,ktrappe/seqan,ktrappe/seqan,ktrappe/seqan,budach/seqan,xenigmax/seqan,catkira/seqan,JohnReid/seqan,xenigmax/seqan,bestrauc/seqan,JohnReid/seqan,xenigmax/seqan,catkira/seqan,hannespetur/SeqAnHTS,limeng12/seqan,limeng12/seqan,limeng12/seqan,hannespetur/SeqAnHTS,limeng12/seqan,JohnReid/seqan,catkira/seqan,catkira/seqan,limeng12/seqan,xenigmax/seqan,bestrauc/seqan,hannespetur/SeqAnHTS,hannespetur/SeqAnHTS,JohnReid/seqan,xenigmax/seqan,limeng12/seqan,ktrappe/seqan,ktrappe/seqan,bayolau/seqan,xenigmax/seqan,bestrauc/seqan,limeng12/seqan,budach/seqan,JohnReid/seqan,bestrauc/seqan