jags links to libltdl (i.e. uses libtool as a lib dependency)

[barracuda156]

--->  Scanning binaries for linking errors
Could not open /opt/local/lib/libltdl.7.dylib: Error opening or reading file (referenced from /opt/local/libexec/jags-terminal)
--->  Found 1 broken file, matching files to ports       
--->  Found 1 broken port, determining rebuild order
--->  Rebuilding in order
     jags @4.3.2_0+gfortran

[ryandesign (Ryan Carsten Schmidt)]

In aded4a49331f77cdb6661efd520fc3ae0d13ff6b/macports-ports (master):

jags: Use bundled ltdl; fix implicit func decl

Use bundled libtool dynamic loader instead of MacPosts copy.

Closes: #72052

Fix implicit declaration of function exit.

Ignore expected implicit declaration of function strchr.