ImageMagic port build fails

[Marius Kirschner]

Tried to install ImageMagic on a FreeBSD 4.9 box, but 'make' fails with the
following error message:

jp2.c:778: `JAS_IMAGE_CT_OPACITY' undeclared (first use in this function)
gmake[1]: *** [jp2.lo] Error 1
gmake[1]: Leaving directory
`/usr/ports/graphics/ImageMagick/work/ImageMagick-5.5.7/coders'
gmake: *** [all-recursive] Error 1
*** Error code 2

Stop in /usr/ports/graphics/ImageMagick.

Any clues?  Thanks,

---Marius