Add test_zlib and test_struct to list of slow tests
diff --git a/Makefile.pre.in b/Makefile.pre.in
index 98fb113..8680abd 100644
--- a/Makefile.pre.in
+++ b/Makefile.pre.in
@@ -496,7 +496,7 @@
 
 QUICKTESTOPTS=	$(TESTOPTS) -x test_thread test_signal test_strftime \
 		test_unicodedata test_re test_sre test_select test_poll \
-		test_linuxaudiodev test_sunaudiodev
+		test_linuxaudiodev test_struct test_sunaudiodev test_zlib 
 quicktest:	all platform
 		-find $(srcdir)/Lib -name '*.py[co]' -print | xargs rm -f
 		-$(TESTPYTHON) $(TESTPROG) $(QUICKTESTOPTS)