dbq: parenthesize the patterns when running find

deadbeef/dbq

@@ -12,8 +12,8 @@ fullpath="$2/$target"
 if [ -r "$target" ]; then
 	[ -n "$(ps --no-header -C deadbeef-main)" ] || exit 0
 	[ -f "$target" ] && deadbeef --queue -- "$fullpath" 2>/dev/null
-	[ -d "$target" ] && find "$fullpath" -iname "*.mp3" \
+	[ -d "$target" ] && find "$fullpath" \( -iname "*.mp3" \
 		-o -iname "*.ogg" -o -iname "*.flac" \
-		-o -iname "*.m4a" -print0 | sort -z \
+		-o -iname "*.m4a" \) -print0 | sort -z \
 		| xargs -0 deadbeef --queue -- 2>/dev/null
 fi