fix malformed #ifdef HAVE_LIBZ 	reported by: Harold.Howe@pioneer.com
fix malformed #ifdef HAVE_LIBZ
	reported by: Harold.Howe@pioneer.com

BMJHayward/graphviz,pixelglow/graphviz,jho1965us/graphviz,tkelman/graphviz,ellson/graphviz,kbrock/graphviz,pixelglow/graphviz,pixelglow/graphviz,BMJHayward/graphviz,tkelman/graphviz,BMJHayward/graphviz,kbrock/graphviz,MjAbuz/graphviz,kbrock/graphviz,kbrock/graphviz,pixelglow/graphviz,tkelman/graphviz,jho1965us/graphviz,BMJHayward/graphviz,jho1965us/graphviz,jho1965us/graphviz,jho1965us/graphviz,MjAbuz/graphviz,tkelman/graphviz,MjAbuz/graphviz,kbrock/graphviz,ellson/graphviz,jho1965us/graphviz,jho1965us/graphviz,MjAbuz/graphviz,pixelglow/graphviz,MjAbuz/graphviz,MjAbuz/graphviz,kbrock/graphviz,kbrock/graphviz,ellson/graphviz,BMJHayward/graphviz,tkelman/graphviz,BMJHayward/graphviz,jho1965us/graphviz,ellson/graphviz,MjAbuz/graphviz,BMJHayward/graphviz,tkelman/graphviz,kbrock/graphviz,pixelglow/graphviz,tkelman/graphviz,kbrock/graphviz,jho1965us/graphviz,pixelglow/graphviz,ellson/graphviz,MjAbuz/graphviz,BMJHayward/graphviz,tkelman/graphviz,ellson/graphviz,jho1965us/graphviz,tkelman/graphviz,jho1965us/graphviz,ellson/graphviz,pixelglow/graphviz,MjAbuz/graphviz,MjAbuz/graphviz,ellson/graphviz,kbrock/graphviz,tkelman/graphviz,ellson/graphviz,pixelglow/graphviz,ellson/graphviz,pixelglow/graphviz,ellson/graphviz,BMJHayward/graphviz,BMJHayward/graphviz,pixelglow/graphviz,tkelman/graphviz,kbrock/graphviz,MjAbuz/graphviz,BMJHayward/graphviz