qtest/ide: Uninitialize PC allocator

Use the new call to pc_alloc_uninit
as a test for the new pathways.

The leak checking / assert pathways are
not enabled in this patch, leaving this
as an option to future test writers.

Signed-off-by: John Snow <jsnow@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>

tests/ide-test.c

@@ -126,6 +126,8 @@ static void ide_test_start(const char *cmdline_fmt, ...)
 
 static void ide_test_quit(void)
 {
+    pc_alloc_uninit(guest_malloc);
+    guest_malloc = NULL;
     qtest_end();
 }