win32u: Fix printf format warnings.

dlls/win32u/input.c

@@ -2457,7 +2457,7 @@ BOOL WINAPI NtUserGetPointerInfoList( UINT32 id, POINTER_INPUT_TYPE type, UINT_P
                                       UINT32 *entry_count, UINT32 *pointer_count, void *pointer_info )
 {
     FIXME( "id %#x, type %#x, unk0 %#zx, unk1 %#zx, size %#zx, entry_count %p, pointer_count %p, pointer_info %p stub!\n",
-           id, (int)type, unk0, unk1, (size_t)size, entry_count, pointer_count, pointer_info );
+           id, (int)type, (size_t)unk0, (size_t)unk1, (size_t)size, entry_count, pointer_count, pointer_info );
     RtlSetLastWin32Error( ERROR_CALL_NOT_IMPLEMENTED );
     return FALSE;
 }