[krbdev.mit.edu #5477] Enable Vista support for MSLSA

[Jeffrey Altman via RT]

Kevin Koch via RT wrote:
>> ... As of this commit, the functionality will be enabled if
>>    the version of NTSecAPI.h includes
>>    TRUST_ATTRIBUTE_TRUST_USES_AES_KEYS.  This is a preprocessor symbol
>>    that is new to the Vista SDK.
>>
>> In order to build with the new Vista functionality when using the XP
>>    SP2 SDK, the NTSecAPI.h file from the Vista SDK must be used in
>>    place of the version from the XP SP2 SDK.
> 
> The #define of TRUST_ATTRIBUTE_TRUST_USES_AES_KEYS is bracketted in #if 
> (_WIN32_WINNT >= 0x0600).  How will the functionality be enabled if the 
> product is built on XP?

See the cc_mslsa.c source file.  It always defines _WIN32_WINNT as 0x0600