minor update for aiff tests
diff --git a/test/Makefile.am b/test/Makefile.am
index 4d7182c..16fb4c1 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -63,6 +63,7 @@
 	$(wildcard *.flac) \
 	$(wildcard *.ogg) \
 	$(wildcard *.cmp) \
+	$(wildcard *.aiff) \
 	$(wildcard *.wav) \
 	$(wildcard ../../test_files/bins/*.raw) \
 	$(wildcard ../../test_files/bins/*.flac) \