ne, autoconf download no longer exists

But rather the https://ne.di.unimi.it URL now forwards to the github site.
For now point to our ne-3.3.4.tar.gz copy, and the next release we can use the github tag.

Author: abelbeck

package/ne/ne.mk

@@ -6,7 +6,7 @@
 
 NE_VERSION = 3.3.4
 NE_SOURCE = ne-$(NE_VERSION).tar.gz
-NE_SITE = https://ne.di.unimi.it
+NE_SITE = https://astlinux-project.org/files
 
 NE_DEPENDENCIES = ncurses