Windows: move debug break in afsd_notifier

Windows: move debug break in afsd_notifier

move the debug break before the cache dump occurs
so that a debugger will be signalled faster when
a panic condition occurs.

Reviewed-on: http://gerrit.openafs.org/3147
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
(cherry picked from commit 1664a2642b56febc08af8f95250a6d64761a525f)
Change-Id: I25a0eaaacb44555c1ddf5f538ef9c6792f6dac59
Reviewed-on: http://gerrit.openafs.org/3156
Reviewed-by: Derrick Brashear <shadow@dementia.org>
Tested-by: Derrick Brashear <shadow@dementia.org>