Added test_files.sh to test decoding of the files in
the tests/files directory. It doesn't test the malicious
files yet.
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 14d8436..159fe41 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -40,4 +40,6 @@
 test_index_SOURCES = test_index.c
 test_info_SOURCES = test_info.c
 
-TESTS = $(check_PROGRAMS)
+TESTS = \
+	$(check_PROGRAMS) \
+	test_files.sh