screen: update to 4.5.1, use PKG_HASH

Signed-off-by: Etienne CHAMPETIER <champetier.etienne@gmail.com>

utils/screen/Makefile

@@ -8,12 +8,12 @@
 include $(TOPDIR)/rules.mk
 
 PKG_NAME:=screen
-PKG_VERSION:=4.3.1
+PKG_VERSION:=4.5.1
 PKG_RELEASE:=1
 
 PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION).tar.gz
+PKG_HASH:=97db2114dd963b016cd4ded34831955dcbe3251e5eee45ac2606e67e9f097b2d
 PKG_SOURCE_URL:=@GNU/screen
-PKG_MD5SUM:=5bb3b0ff2674e29378c31ad3411170ad
 
 PKG_LICENSE:=GPL-3.0+
 PKG_LICENSE_FILES:=