Fix a case of the Expr.affinity to Expr.affExpr refactor that was missed
in the [a29f2a7d07beff64] check-in.

FossilOrigin-Name: 83450d10707e2c7c075f3930a8c231c49c593b9cdf0e6097b0187eb877755d2d
diff --git a/src/resolve.c b/src/resolve.c
index 0ba8abd..f3b73aa 100644
--- a/src/resolve.c
+++ b/src/resolve.c
@@ -689,7 +689,7 @@
       pExpr->y.pTab = pItem->pTab;
       pExpr->iTable = pItem->iCursor;
       pExpr->iColumn = -1;
-      pExpr->affinity = SQLITE_AFF_INTEGER;
+      pExpr->affExpr = SQLITE_AFF_INTEGER;
       break;
     }
 #endif /* defined(SQLITE_ENABLE_UPDATE_DELETE_LIMIT)