song: skip archive check for non-musicdir files

If a song is not within the music directory ("file:///..."), it has no
"parent directory".  The archive code nonetheless dereferences the
parent pointer, causing a segmentation fault.  Check parent!=NULL.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/song.c b/src/song.c
index 2bb2b85b..f40e5002 100644
--- a/src/song.c
+++ b/src/song.c
@@ -78,7 +78,7 @@ song_file_load(const char *path, struct directory *parent)
 	song = song_file_new(path, parent);
 
 	//in archive ?
-	if (parent->device == DEVICE_INARCHIVE) {
+	if (parent != NULL && parent->device == DEVICE_INARCHIVE) {
 		ret = song_file_update_inarchive(song);
 	} else {
 		ret = song_file_update(song);