add *.wav to the cleanup
diff --git a/test/Makefile.am b/test/Makefile.am
index 55a9d5d..da56807 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -17,7 +17,8 @@
 
 TESTS = ./test_unit.sh ./test_streams.sh ./test_bins.sh
 
-CLEANFILES = $(wildcard *.raw) $(wildcard *.flac) $(wildcard *.cmp) \
+CLEANFILES = \
+	$(wildcard *.raw) $(wildcard *.flac) $(wildcard *.cmp) $(wildcard *.wav) \
 	$(wildcard ../../test_files/bins/*.raw) \
 	$(wildcard ../../test_files/bins/*.flac) \
 	$(wildcard ../../test_files/bins/*.cmp) \