most recent changes, diff for libiconv

Index: textproc/libiconv/Portfile
--- textproc/libiconv/Portfile (revision 38581)
+++ textproc/libiconv/Portfile (revision 38582)
@@ -10,6 +10,7 @@
homepage http://www.gnu.org/software/libiconv/
distfiles ${distname}${extract.suffix}:gnu
extract.only ${distname}${extract.suffix}
+use_parallel_build yes

master_sites \
gnu::gnu \