libltdl no longer needs be used, so switch back to the usual one and add the dependency on ports-tree libltdl. prompted by a diff from Mikolaj Kucharski, ok with mbalmer (maintainer).
libltdl no longer needs be used, so switch back to the usual one and add the dependency on ports-tree libltdl. prompted by a diff from Mikolaj Kucharski, ok with mbalmer (maintainer).