Prepare v1.4.1 tag

For now, this is for informational purposes (program version
output), but it might also serve as an anchor point for a
"bugfix" release after some changes made to the build system.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

autoversion.sh

@@ -4,7 +4,7 @@
 # output (on stdout) can easily be redirected to a file.
 #
 
-LATEST_RELEASE="v1.4"
+LATEST_RELEASE="v1.4.1"
 
 if VER=`git describe --tags --dirty --always`; then
 	echo "Setting version information: ${VER}" >&2