Ports: Bump nano to version 5.8

Ports/nano/patches/fix-autoconf.patch

@@ -1,12 +1,12 @@
-diff -ru nano-4.5-original/nano-4.5/config.sub nano-4.5/config.sub
---- nano-4.5-original/nano-4.5/config.sub	2018-11-10 00:30:37.000000000 -0600
-+++ nano-4.5/config.sub	2019-11-13 01:52:22.442486361 -0600
-@@ -1369,6 +1369,7 @@
- 	      | -sym* | -kopensolaris* | -plan9* \
- 	      | -amigaos* | -amigados* | -msdos* | -newsos* | -unicos* | -aof* \
- 	      | -aos* | -aros* | -cloudabi* | -sortix* \
-+		  | -serenity* \
- 	      | -nindy* | -vxsim* | -vxworks* | -ebmon* | -hms* | -mvs* \
- 	      | -clix* | -riscos* | -uniplus* | -iris* | -rtu* | -xenix* \
- 	      | -hiux* | -knetbsd* | -mirbsd* | -netbsd* \
-
+diff --git a/config.sub.orig b/config.sub
+index 63c1f1c8b..f14d29e3d 100755
+--- a/config.sub.orig
++++ b/config.sub
+@@ -1696,6 +1696,7 @@ case $os in
+ 	# The portable systems comes first.
+ 	# Each alternative MUST end in a * to match a version number.
+ 	gnu* | android* | bsd* | mach* | minix* | genix* | ultrix* | irix* \
++	     | serenity* \
+ 	     | *vms* | esix* | aix* | cnk* | sunos | sunos[34]* \
+ 	     | hpux* | unos* | osf* | luna* | dgux* | auroraux* | solaris* \
+ 	     | sym* |  plan9* | psp* | sim* | xray* | os68k* | v88r* \