libqos: remove some leaks

qpci_device_find() returns allocated data, don't leak it.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>

tests/libqos/pci.c

diff --git a/tests/libqos/pci.c b/tests/libqos/pci.c
index 4e630c2..80b1a21 100644
--- a/tests/libqos/pci.c
+++ b/tests/libqos/pci.c
@@ -34,11 +34,13 @@
 
             if (vendor_id != -1 &&
                 qpci_config_readw(dev, PCI_VENDOR_ID) != vendor_id) {
+                g_free(dev);
                 continue;
             }
 
             if (device_id != -1 &&
                 qpci_config_readw(dev, PCI_DEVICE_ID) != device_id) {
+                g_free(dev);
                 continue;
             }