abuild: Always print the builder version

Currently is hard to discover what abuild version was used on a build log.
This lack of information makes it hard to reproduce a buld failure.

This change simply adds the abuild version at all logs.

abuild.in

@@ -2337,7 +2337,6 @@ snapshot() {
 }
 
 usage() {
-	echo "$program $program_version"
 	cat <<-EOF
 		usage: $program [options] [-P REPODEST] [-s SRCDEST] [-D DESCRIPTION] [cmd] ...
 		       $program [-c] -n PKGNAME[-PKGVER]
@@ -2424,6 +2423,7 @@ while getopts "AcdD:fFhkKimnp:P:qrRs:uv" opt; do
 done
 shift $(( $OPTIND - 1 ))
 
+echo "$program $program_version"
 # check so we are not root
 if [ $(id -u) -eq 0 ] && [ -z "$FAKEROOTKEY" ]; then
 	[ -z "$forceroot" ] && die "Do not run abuild as root"