qi::os::timeval: use long long instead of long
qi::os::timeval: use long long instead of long

the size depends on the platform. so fix it to long long.

Change-Id: Ic284a89e6f144d1dd5c3a08d69fe2917ca17a3a4
Reviewed-on: http://gerrit.aldebaran.lan:8080/13228
Tested-by: gerrit
Reviewed-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>
Tested-by: cgestes <ddb78fe00abb42f91254c16a0860e38eb0781789@aldebaran-robotics.com>

vbarbaresi/libqi,bsautron/libqi,aldebaran/libqi,aldebaran/libqi,aldebaran/libqi