Increase the maximum page size from 32k to 64k.

FossilOrigin-Name: 45362437d491fbe0f033a67b398f8ba68cbf1b3b

src/test2.c

@@ -72,7 +72,7 @@ static int pager_open(
   int argc,              /* Number of arguments */
   const char **argv      /* Text of each argument */
 ){
-  u16 pageSize;
+  u32 pageSize;
   Pager *pPager;
   int nPage;
   int rc;