This suppresses LeakSanitizer warnings.

Signed-off-by: Akihiko Odaki <akihiko.odaki@daynix.com>
---
 tests/qtest/libqtest.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index 28683fee28b2..06585104c7af 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -1502,6 +1502,7 @@ static struct MachInfo *qtest_get_machines(const char *var)
     int idx;
 
     if (g_strcmp0(qemu_var, var)) {
+        g_free(qemu_var);
         qemu_var = g_strdup(var);
 
         /* new qemu, clear the cache */

-- 
2.45.2