The event target can participate in a cycle. Also since release_event_target
can now potentially be called multiple times, we have to NULL the rb tree
to make it re-entrant safe.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

The new EventTarget_QI will use the cycle collector later.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

The new dispex_query_interface will use the cycle collector later.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com>

The header is unused, and the header check fails with:

configure:7860: checking for PCSC/pcsclite.h
configure:7860: gcc -m32 -c -g -O2  conftest.c >&5
In file included from conftest.c:50:
[...]/include/PCSC/pcsclite.h:45:10:
fatal error: wintypes.h: No such file or directory
   45 | #include <wintypes.h>
         |          ^~~~~~~~~~~~

Fixes: d405a688