nano: update to 4.2

* update nano to 4.2

Release notes at https://nano-editor.org/news.php

2019.04.24 - GNU nano 4.2
* The integrated spell checker does not crash when 'spell' is missing.
* Option --breaklonglines works also when --ignorercfiles is used.
* Automatic hard-wrapping is more persistent in pushing words to the
  same overflow line.

Tested with ipq806x/R7800 and mvebu/WRT3200ACM

Signed-off-by: Hannu Nyman <hannu.nyman@iki.fi>

utils/nano/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=nano
-PKG_VERSION:=4.1
+PKG_VERSION:=4.2
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/nano
-PKG_HASH:=86bde596a038d6fde619b49d785c0ebf0b3eaa7001a39dbe9316bd5392d221d0
+PKG_HASH:=1143defce62e391b241252ffdb6e5c1ded56cfe26d46ee81b796abe0ccc45df9
 
 PKG_LICENSE:=GPL-3.0+
 PKG_LICENSE_FILES:=COPYING