also recognize Oracle in .vdi image magic

diff --git a/mount.vdi b/mount.vdi
old mode 100644 (file)
new mode 100755 (executable)
index 16bbf72..a6692ee
--- a/mount.vdi
+++ b/mount.vdi
@@ -100,6 +100,8 @@ case "$magic" in
        ;;
 "<<< Sun VirtualBox Disk Image >>>")
        ;;
+"<<< Oracle VM VirtualBox Disk Image >>>")
+       ;;
 *)
        echo >&2 "$PROGRAM: $DEVICE: bad magic, not VDI image"
        exit 1