Fixed bug in gc-plot code which didn't display GC line after a gap
Fixed bug in gc-plot code which didn't display GC line after a gap

Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-webcode,Ensembl/ensembl-draw,Ensembl/ensembl-webcode