genex/: added support for multi-part components

genex/sym2xps

@@ -14,15 +14,16 @@
 
 usage()
 {
-	echo "usage: $0 library symbol tmpdir outfile" 1>&2
+	echo "usage: $0 library symbol unit tmpdir outfile" 1>&2
 	exit 1
 }
 
 
 lib=$1
 sym=$2
-tmp=$3
-out=$4
+unit=$3
+tmp=$4
+out=$5
 
 [ "$lib" ] && [ "$sym" ] && [ "$tmp" ] && [ "$out" ] || usage
 
@@ -62,9 +63,9 @@ EELAYER 43  0
 EELAYER END
 \$Comp
 L X$sym ??
-U 1 1 00000000
+U $unit 1 00000000
 P $X $Y
-	1	$X	$Y
+	$unit	$X	$Y
 	1	0	0	-1
 \$EndComp
 \$EndSCHEMATC