do not include :func in subpackage name

abuild

@@ -228,7 +228,7 @@ subpkg() {
 		local func=$(get_split_func $i)
 		# call abuild recursively, setting subpkg{dir,name}
 		msg "Running split function $func..."
-		subpkgdir="$startdir/pkg-$func" subpkgname="$i" \
+		subpkgdir="$startdir/pkg-$func" subpkgname="${i%:*}" \
 			$0 $func package || return 1
 	done
 }