Add defines for debug builds in win-pre.in

define DEBUG and _CRTDBG_MAP_ALLOC except for NODEBUG builds

Signed-off-by: Kevin Wasserman <kevin.wasserman@painless-security.com>

(cherry picked from commit 768628d32f42027de9e591b2ef21d18bcb82f061)

https://github.com/krb5/krb5/commit/88a90efc3af0137a8bd885b8758143632701212a
Author: Kevin Wasserman <kevin.wasserman@painless-security.com>
Committer: Tom Yu <tlyu@mit.edu>
Commit: 88a90efc3af0137a8bd885b8758143632701212a
Branch: krb5-1.10
 src/config/win-pre.in |    4 ++++
 1 files changed, 4 insertions(+), 0 deletions(-)