tests: Add frees to avoid memory leak errors

The added frees are unnecessary, but the static analyser does not know.

Signed-off-by: Anderson Toshiyuki Sasaki <ansasaki@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>

tests/unittests/torture_keyfiles.c

@@ -119,11 +119,17 @@ static void torture_pubkey_from_file(void **state) {
     rc = ssh_try_publickey_from_file(session, LIBSSH_RSA_TESTKEY, &pubkey, &type);
     assert_true(rc == 1);
 
+    /* This free is unnecessary, but the static analyser does not know */
+    SSH_STRING_FREE(pubkey);
+
     /* test if it returns -1 if privkey doesn't exist */
     unlink(LIBSSH_RSA_TESTKEY);
 
     rc = ssh_try_publickey_from_file(session, LIBSSH_RSA_TESTKEY, &pubkey, &type);
     assert_true(rc == -1);
+
+    /* This free is unnecessary, but the static analyser does not know */
+    SSH_STRING_FREE(pubkey);
 }
 
 static int torture_read_one_line(const char *filename, char *buffer, size_t len) {

tests/unittests/torture_pki_dsa.c

@@ -335,6 +335,9 @@ torture_pki_dsa_import_openssh_privkey_base64_passphrase(void **state)
                                        &key);
     assert_true(rc == -1);
 
+    /* This free is unnecessary, but the static analyser does not know */
+    SSH_KEY_FREE(key);
+
     /* test if it returns -1 if passphrase is NULL */
     rc = ssh_pki_import_privkey_base64(keystring,
                                        NULL,
@@ -342,6 +345,9 @@ torture_pki_dsa_import_openssh_privkey_base64_passphrase(void **state)
                                        NULL,
                                        &key);
     assert_true(rc == -1);
+
+    /* This free is unnecessary, but the static analyser does not know */
+    SSH_KEY_FREE(key);
 }