use correct accessor when returning long long int value
use correct accessor when returning long long int value

Otherwise we will inadvertently return a potentially smaller sized
value, resulting in incorrect return values.

This fixes tests on various 32 bit platforms.

Signed-off-by: Jacob Keller <74ec1f46a68d238888726a00aa611ba6343172e2@gmail.com>

basvodde/cpputest,basvodde/cpputest,basvodde/cpputest,asgeroverby/cpputest,cpputest/cpputest,cpputest/cpputest,asgeroverby/cpputest,offa/cpputest,asgeroverby/cpputest,offa/cpputest,cpputest/cpputest,cpputest/cpputest,asgeroverby/cpputest,offa/cpputest,basvodde/cpputest,offa/cpputest