nano: update to 4.9.1

Update nano editor to version 4.9.1

 2020.03.31 - GNU nano 4.9.1 "Sapperdeflap"
 Two bugs introduced in version 4.9 are fixed: the cursor
 getting misplaced when undoing line cuts, and filtering
 of the whole buffer to a new buffer not working.

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:=4.9
+PKG_VERSION:=4.9.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.xz
 PKG_SOURCE_URL:=@GNU/nano
-PKG_HASH:=0e399729d105cb1a587b4140db5cf1b23215a0886a42b215efa98137164233a6
+PKG_HASH:=52cd5a0cefaa6be199bf1a8f5295e2ef1f787f9533d1ab9ed1e52d3a242aba6c
 
 PKG_LICENSE:=GPL-3.0-or-later
 PKG_LICENSE_FILES:=COPYING