When IMAGEMAGICK_DOT (GraphViz dot graphs support) is selected the port fails to build, as it is listed a a RUN_DEPENDS when it should be a LIB_DEPENDS.

/bin/sh /usr/local/bin/libtool --silent --tag=CC   --mode=compile cc -DHAVE_CONFIG_H -I. -I./magick -I./wand  -I./ltdl -I./ltdl  -I/usr/local/include/freetype2 -I/usr/local/include -I/usr/local/include -I/usr/X11R6/include -I/usr/local/include/libxml2  -O -pipe  -MT coders/magick_libMagick_la-dot.lo -MD -MP -MF coders/.deps/magick_libMagick_la-dot.Tpo -c -o coders/magick_libMagick_la-dot.lo `test -f 'coders/dot.c' || echo './'`coders/dot.c
coders/dot.c:64:17: gvc.h: No such file or directory
coders/dot.c:66: error: syntax error before '*' token
coders/dot.c:66: warning: data definition has no type or storage class
coders/dot.c: In function `ReadDOTImage':
coders/dot.c:106: error: `graph_t' undeclared (first use in this function)
coders/dot.c:106: error: (Each undeclared identifier is reported only once
coders/dot.c:106: error: for each function it appears in.)
coders/dot.c:106: error: `graph' undeclared (first use in this function)
coders/dot.c:137: error: syntax error before ')' token
coders/dot.c: In function `RegisterDOTImage':
coders/dot.c:195: warning: assignment makes pointer from integer without a cast
gmake: *** [coders/magick_libMagick_la-dot.lo] Error 1
*** Error code 2

Stop in /usr/ports/graphics/ImageMagick.

Fix: Apply the attached patch.

Patch attached with submission follows:
How-To-Repeat: cd /usr/ports/graphics/ImageMagick
make build

- Select 'GraphViz dot graphs support' from the config menu.