[sql] Patch SQLite to allow control of close-time WAL checkpoint.

third_party/sqlite/src/src/btree.c

Index: third_party/sqlite/src/src/btree.c
diff --git a/third_party/sqlite/src/src/btree.c b/third_party/sqlite/src/src/btree.c
index f5feff8a4c597c8b490c9e154dfa5b056e9b93a1..f98738830086a2177f97bd87055e6fd5fa762334 100644
--- a/third_party/sqlite/src/src/btree.c
+++ b/third_party/sqlite/src/src/btree.c
@@ -2390,7 +2390,7 @@ int sqlite3BtreeOpen(
 btree_open_out:
   if( rc!=SQLITE_OK ){
     if( pBt && pBt->pPager ){
-      sqlite3PagerClose(pBt->pPager);
+      sqlite3PagerClose(pBt->pPager, 0);
     }
     sqlite3_free(pBt);
     sqlite3_free(p);
@@ -2531,7 +2531,7 @@ int sqlite3BtreeClose(Btree *p){
     ** Clean out and delete the BtShared object.
     */
     assert( !pBt->pCursor );
-    sqlite3PagerClose(pBt->pPager);
+    sqlite3PagerClose(pBt->pPager, p->db);
     if( pBt->xFreeSchema && pBt->pSchema ){
       pBt->xFreeSchema(pBt->pSchema);
     }