Page store bugfixes

h2/src/main/org/h2/util/CacheTQ.java

@@ -190,8 +190,10 @@ class CacheTQ implements Cache {
                 CacheObject r = inNext;
                 inNext = r.next;
                 if (!r.canRemove()) {
+                    if (r != headIn) {
                         removeFromList(r);
                         addToFront(headIn, r);
+                    }
                     continue;
                 }
                 rc--;