move check for MATH_LIBS ahead of check for -lpng which needs it 	Bob Lied <lied@lucent.com>
move check for MATH_LIBS ahead of check for -lpng which needs it
	Bob Lied <lied@lucent.com>

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