fix for Nvidia CUDA drivers security breach

[Massimo Bernaschi <massimo.bernaschi () gmail com>]

The bug that let Nvidia CUDA drivers pin memory without initializing
it to zero has been fixed.
See
http://forums.nvidia.com/index.php?showtopic=190303
for further details

--
--- Massimo Bernaschi: Istituto Applicazioni del Calcolo ----
|  IAC-CNR                  | e-mail: m.bernaschi () iac cnr it     |
|  V.le Manzoni, 30       | phone: +39 06 7716440               |
|  00185 Roma - ITALY | fax:   +39 06 4404306                 |
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|Skype nickname: m.bernaschi
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|See http://www.iac.cnr.it/~massimo for my GPG public key or check
              |
|GnuPG Public Key Fingerprint (keyserver.linux.it)
                          |
|pub  1024/CAA3FB48 2001/01/04 Massimo Bernaschi <massimo () iac rm cnr it>  |
|     Key fingerprint = 3EFF 7AFF F8A4 F34E 382B  DD81 57F3 700A CAA3 FB48 |
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