[2/5] ntdll: Avoid recursive exception handler calls when handling guard pages.

[Sebastian Lackner]

The ATL check leads to problems when a page is protected with guard page protection.
raise_segv_exception is called with EXCEPTION_EXECUTE_FAULT. The ATL check tries to
read the memory, and triggers another exception handler. This time the virtual_handle_fault
check is executed, and removes the guard page protection. Afterwards, when the ATL
check returns, the exception is _not_ catched by virtual_handle_fault, but instead
passed to the application.

---
 dlls/kernel32/tests/virtual.c |  2 --
 dlls/ntdll/signal_i386.c      | 10 ++++++----
 2 files changed, 6 insertions(+), 6 deletions(-)

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