review(XXS): 7043564: compile warning and copyright fixes

[Vladimir Kozlov]

OK.

Vladimir

Igor Veresov wrote:
> Compilation fails on newer GCCs with :
> os_linux.cpp: In static member function ‘static bool 
> os::Linux::hugetlbfs_sanity_check(bool, size_t)’:
> os_linux.cpp:2853:43: error: use of assignment suppression and length 
> modifier together in gnu_scanf format
> The solution is to remove the length modifier.
> 
> Also, copyrights needed to be fixed in a couple of files.
> 
> Webrev: http://cr.openjdk.java.net/~iveresov/7043564/webrev.00/
> 
> Thanks,
> igor