* wl-summary.el (wl-summary-sync-all-init): New inline function.

* wl-summary.el (wl-summary-sync-all-init): New inline function.
(wl-summary-sync): Enclose `wl-summary-sync-update3' with
condition-case; Remove initialization.
(wl-summary-confirm-appends): Don't enclose with `condition-case'.
(wl-summary-sync-update3): Added argument `sync-all';
Eliminated local variable `msgdb';
Call `wl-summary-sync-all-init' when `sync-all' is non-nil.
Call `wl-summary-confirm-appends' before `wl-summary-sync-all-init'.
(Pointed out by "HIROSE, Masaaki" <hirose31@t3.rim.or.jp>)