Made the Interlocked*Pointer functions static inline since they aren't
exported by the Windows API.

diff --git a/scheduler/critsection.c b/scheduler/critsection.c
index b636b61..2b63fd6 100644
--- a/scheduler/critsection.c
+++ b/scheduler/critsection.c
@@ -86,7 +86,7 @@
 /***********************************************************************
  *		InterlockedCompareExchange (KERNEL32.@)
  */
-/* PVOID WINAPI InterlockedCompareExchange( PVOID *dest, PVOID xchg, PVOID compare ); */
+/* LONG WINAPI InterlockedCompareExchange( PLONG dest, LONG xchg, LONG compare ); */
 __ASM_GLOBAL_FUNC(InterlockedCompareExchange,
                   "movl 12(%esp),%eax\n\t"
                   "movl 8(%esp),%ecx\n\t"