yaws: fix comparison function for 18.0.3
yaws: fix comparison function for 18.0.3

the comparison function could not compare strings of different lengths
7.0.3

scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris,scalaris-team/scalaris