crypto: fix initialization of crypto in tests

The test-io-channel-tls test was missing a call to qcrypto_init
and test-crypto-hash was initializing it multiple times,

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
diff --git a/tests/test-io-channel-tls.c b/tests/test-io-channel-tls.c
index 3c361a7..bd3ae2b 100644
--- a/tests/test-io-channel-tls.c
+++ b/tests/test-io-channel-tls.c
@@ -27,6 +27,7 @@
 #include "io/channel-tls.h"
 #include "io/channel-socket.h"
 #include "io-channel-helpers.h"
+#include "crypto/init.h"
 #include "crypto/tlscredsx509.h"
 #include "qemu/acl.h"
 #include "qom/object_interfaces.h"
@@ -265,6 +266,8 @@
 {
     int ret;
 
+    g_assert(qcrypto_init(NULL) == 0);
+
     module_call_init(MODULE_INIT_QOM);
     g_test_init(&argc, &argv, NULL);
     setenv("GNUTLS_FORCE_FIPS_MODE", "2", 1);