Replace "AAL" type with "Aal" to parallel "Pal"

src/ds/flaglock.h

@@ -13,7 +13,7 @@ namespace snmalloc
     FlagLock(std::atomic_flag& lock) : lock(lock)
     {
       while (lock.test_and_set(std::memory_order_acquire))
-        AAL::pause();
+        Aal::pause();
     }
 
     ~FlagLock()

src/ds/mpscq.h

@@ -70,7 +70,7 @@ namespace snmalloc
       if (next != nullptr)
       {
         front = next;
-        AAL::prefetch(&(next->next));
+        Aal::prefetch(&(next->next));
         assert(front);
         std::atomic_thread_fence(std::memory_order_acquire);
         invariant();