[ASan] Add a few more malloc-related interceptors for Windows

Committed as http://llvm.org/viewvc/llvm-project?view=rev&revision=153327

[timurrrr_at_google_com, 2012-03-23 10:08:55]

Hi Alexander,

Can you please review this small patch?

Thanks!
Timur

[glider, 2012-03-23 11:35:33]

Rubberstamp LGTM, don't see any obvious flaws here.

[glider, 2012-03-23 11:35:33]

Rubberstamp LGTM, don't see any obvious flaws here.

[timurrrr_at_google_com, 2012-03-23 11:38:13]

r153327, thanks!