commit 0ad4345bfd2a1d9535c9d677e2a1845064a8aa0e
Author: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date:   Mon Jun 3 22:23:57 2013 +0300

    Fix sr_si_string_u64() test cases.
    
    The function shall format 1004 as 1.004 k, 1004000 as 1.004 M and
    1004000000 as 1.004 G.
    
    References #73.