Further change pq_compat.h to generate the flag macros PQ_64BIT_IS_INTEGER

and PQ_64BIT_IS_BIGNUM with the values 0 (for false) and 1 (for true),
depending on which is true.  Use those flags everywhere else to provide
the correct implementation for handling certain operations in q PQ_64BIT.

crypto/pqueue/pqueue.c

@@ -199,7 +199,7 @@ pqueue_find(pqueue_s *pq, PQ_64BIT priority)
 	return found;
 	}
 
-#if !(defined(OPENSSL_SYS_VMS) || defined(VMS_TEST))
+#if PQ_64BIT_IS_INTEGER
 void
 pqueue_print(pqueue_s *pq)
 	{