Update to libidn-1.42.

ports/libidn/libidn.patch

@@ -1,7 +1,7 @@
 diff -Paur --no-dereference -- libidn.upstream/Makefile.in libidn/Makefile.in
 --- libidn.upstream/Makefile.in
 +++ libidn/Makefile.in
-@@ -1955,6 +1955,8 @@
+@@ -2020,6 +2020,8 @@
  distclean: distclean-recursive
  	-rm -f $(am__CONFIG_DISTCLEAN_FILES)
  	-rm -f Makefile
@@ -10,3 +10,14 @@ diff -Paur --no-dereference -- libidn.upstream/Makefile.in libidn/Makefile.in
  distclean-am: clean-am distclean-generic distclean-hdr \
  	distclean-libtool distclean-tags
  
+diff -Paur --no-dereference -- libidn.upstream/doc/Makefile.in libidn/doc/Makefile.in
+--- libidn.upstream/doc/Makefile.in
++++ libidn/doc/Makefile.in
+@@ -2211,6 +2211,7 @@
+ 
+ distclean: distclean-recursive
+ 	-rm -f Makefile
++	-rm -f libidn.info
+ distclean-am: clean-am distclean-generic distclean-tags
+ 
+ dvi: dvi-recursive

ports/libidn/libidn.port

@@ -1,10 +1,10 @@
 NAME=libidn
 BUILD_LIBRARIES='libiconv? libintl?'
-VERSION=1.41
+VERSION=1.42
 DISTNAME=$NAME-$VERSION
 COMPRESSION=tar.gz
 ARCHIVE=$DISTNAME.$COMPRESSION
-SHA256SUM=884d706364b81abdd17bee9686d8ff2ae7431c5a14651047c68adf8b31fd8945
+SHA256SUM=d6c199dcd806e4fe279360cb4b08349a0d39560ed548ffd1ccadda8cdecb4723
 UPSTREAM_SITE=https://ftp.gnu.org/gnu/libidn
 UPSTREAM_ARCHIVE=$ARCHIVE
 LICENSE='GPL-2.0-or-later OR LGPL-3.0-or-later'

ports/libidn/libidn.rmpatch

@@ -1,4 +1,5 @@
 rm -rf -- 'contrib/doxygen/Doxyfile.orig'
+rm -rf -- 'doc/libidn.info'
 rm -rf -- 'doc/man'
 rm -rf -- 'doc/reference/html'
 rm -rf -- 'doc/reference/libidn-overrides.txt'