Update Makefile

bump version to v2.4.3

Author: mirostauder

Makefile

@@ -39,7 +39,7 @@ DEBUG=${ALL_DEBUG}
 #export OPTZ
 #export EXTRALINK
 export MAKE
-export CURVER?=2.4.2
+export CURVER?=2.4.3
 ifneq (,$(wildcard /etc/os-release))
 	DISTRO := $(shell gawk -F= '/^NAME/{print $$2}' /etc/os-release)
 else