bump, release v0.4.9

configure.ac

@@ -3,7 +3,7 @@ dnl Autoconf startup.
 dnl -------------------------------------------------------------------------
 
 AC_PREREQ([2.63])
-AC_INIT([dateutils], [0.4.9.GIT], [https://github.com/hroptatyr/dateutils/issues])
+AC_INIT([dateutils], [0.4.9], [https://github.com/hroptatyr/dateutils/issues])
 AC_CONFIG_AUX_DIR([build-aux])
 AC_CONFIG_HEADER([src/config.h])
 AC_CONFIG_MACRO_DIR([m4])
@@ -15,7 +15,7 @@ dnl -------------------------------------------------------------------------
 
 AC_COPYRIGHT([dnl
 #### Configuration script for dateutils and friends.
-#### Copyright (C) 2011-2020 Sebastian Freundt
+#### Copyright (C) 2011-2021 Sebastian Freundt
 
 ### Don't edit this script!
 ### This script was automatically generated by the `autoconf' program