crypto: fix leaks in TLS x509 helper functions

The test_tls_get_ipaddr() method forgot to free the returned data
from getaddrinfo().

The test_tls_write_cert_chain() method forgot to free the allocated
buffer holding the certificate data after writing it out to a file.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>

tests/crypto-tls-x509-helpers.c

diff --git a/tests/crypto-tls-x509-helpers.c b/tests/crypto-tls-x509-helpers.c
index c5de67b..47b4c7b 100644
--- a/tests/crypto-tls-x509-helpers.c
+++ b/tests/crypto-tls-x509-helpers.c
@@ -153,6 +153,7 @@
     *datalen = res->ai_addrlen;
     *data = g_new(char, *datalen);
     memcpy(*data, res->ai_addr, *datalen);
+    freeaddrinfo(res);
 }
 
 /*
@@ -465,6 +466,7 @@
     if (!g_file_set_contents(filename, buffer, offset, NULL)) {
         abort();
     }
+    g_free(buffer);
 }