Disable 3 tests for which LibreSSL gives refcount errors

cachefkcrt.t.c

@@ -114,8 +114,12 @@ START_TEST(cache_fkcrt_04)
 	cachemgr_fini();
 	fail_unless(c1->references == 1, "refcount != 1");
 	X509_free(c2);
+#ifndef LIBRESSL_VERSION_NUMBER
 	/* deliberate access of free'd X509* */
 	fail_unless(c1->references == 0, "refcount != 0");
+#else /* LIBRESSL_VERSION_NUMBER */
+	fprintf(stderr, "test cache_fkcrt_04 omitted because LibreSSL fails with refcount != 0\n");
+#endif /* LIBRESSL_VERSION_NUMBER */
 	fail_unless(cachemgr_preinit() != -1, "reinit");
 }
 END_TEST

cachetgcrt.t.c

@@ -111,8 +111,12 @@ START_TEST(cache_tgcrt_04)
 	cachemgr_fini();
 	fail_unless(c1->references == 1, "refcount != 1");
 	cert_free(c2);
+#ifndef LIBRESSL_VERSION_NUMBER
 	/* deliberate access of free'd cert_t* */
 	fail_unless(c1->references == 0, "refcount != 0");
+#else /* LIBRESSL_VERSION_NUMBER */
+	fprintf(stderr, "test cache_tgcrt_04 omitted because LibreSSL fails with refcount != 0\n");
+#endif /* LIBRESSL_VERSION_NUMBER */
 	fail_unless(cachemgr_preinit() != -1, "reinit");
 }
 END_TEST

cert.t.c

@@ -62,8 +62,12 @@ START_TEST(cert_refcount_inc_01)
 	cert_free(c);
 	fail_unless(c->references == 1, "refcount mismatch");
 	cert_free(c);
+#ifndef LIBRESSL_VERSION_NUMBER
 	/* deliberate access after last free() */
 	fail_unless(c->references == 0, "refcount mismatch");
+#else /* LIBRESSL_VERSION_NUMBER */
+	fprintf(stderr, "test cert_refcount_inc_01 omitted because LibreSSL fails with refcount mismatch\n");
+#endif /* LIBRESSL_VERSION_NUMBER */
 }
 END_TEST