Fix use of globals to not use imports with dlls since the globals are all part of the same dll.
Fix use of globals to not use imports with dlls since the globals
are all part of the same dll.

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