Previous check-in broke auto-increment.  This check-in appears to fix it.

FossilOrigin-Name: 28ffd39c7162c8f7139711545122cffa257911dd
diff --git a/src/insert.c b/src/insert.c
index 65a98a6..dadb10a 100644
--- a/src/insert.c
+++ b/src/insert.c
@@ -239,8 +239,8 @@
     memId = p->regCtr;
     assert( sqlite3SchemaMutexHeld(db, 0, pDb->pSchema) );
     sqlite3OpenTable(pParse, 0, p->iDb, pDb->pSchema->pSeqTab, OP_OpenRead);
+    sqlite3VdbeAddOp3(v, OP_Null, 0, memId, memId+1);
     addr = sqlite3VdbeCurrentAddr(v);
-    sqlite3VdbeAddOp2(v, OP_Null, 0, memId+1);
     sqlite3VdbeAddOp4(v, OP_String8, 0, memId-1, 0, p->pTab->zName, 0);
     sqlite3VdbeAddOp2(v, OP_Rewind, 0, addr+9);
     sqlite3VdbeAddOp3(v, OP_Column, 0, 0, memId);