Added autogen.sh, CONTRIBUTING.md and HISTORY to EXTRA_DIST

Author: eribertomota

Makefile.am

@@ -9,7 +9,7 @@ SUBDIRS = src
 
 man_MANS= docs/rdate.8
 
-EXTRA_DIST= docs/rdate.8
+EXTRA_DIST= autogen.sh CONTRIBUTING.md docs/rdate.8 HISTORY
 
 distclean-local:
 	rm -rf autom4te.cache/