try offset 16
Add -std=gnu99 for gcc.

- std=c99 doesn't work because then struct timespec won't be defined.
Remove unused stuff.
Address compilation warning.

strategyselector.c:170:10: error: ‘__get_cpuid’ is static but used in inline function ‘get_cpuid’ which is not static [-Werror]
   return __get_cpuid(level, eax, ebx, ecx, edx);
Merge branch 'gcc-problems'