[PATCH] * emms-info-exiftool.el: ensure more info fields are strings

---
Hi all,

Here's the other fields I believe need to be guaranteed "stringified",
haven't observed issues with my music library.

 emms-info-exiftool.el | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/emms-info-exiftool.el b/emms-info-exiftool.el
index fb4b205..80c25ea 100644
--- a/emms-info-exiftool.el
+++ b/emms-info-exiftool.el
@@ -91,7 +91,11 @@
 			(cond ((eq emms-field 'info-playing-time)
 			       (emms-info-exiftool-time))
 			      ((memq emms-field '(info-album
-                                                  info-tracknumber
+						  info-artist
+						  info-albumartist
+						  info-composer
+						  info-note
+						  info-tracknumber
 						  info-title
 						  info-year
 						  info-discnumber))
-- 
2.47.1