fix:修复CWSEvaluator比较切分语句时的计算错误

[webSue]

fix:修复CWSEvaluator比较切分语句时的计算错误

Description

CWSEvaluator类中的compare方法比较标准答案与分词结果时，循环逐一比较词语时，predLen的计算存在错误，增加了另一个数组的对应index位置词语的长度，而不是predArray本身数组的

Type of Change

Please check any relevant options and delete the rest.

• [x] Bug fix (non-breaking change which fixes an issue)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] This change requires a documentation update

How Has This Been Tested?

运行CWSEvaluatorTest的testGetPRF()方法debug即可

Checklist

Check all items that apply.

• [x] ⚠️Changes must be made on dev branch instead of master
• [ ] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] My code follows the style guidelines of this project
• [ ] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [x] My changes generate no new warnings
• [x] I have checked my code and corrected any misspellings

[hankcs]

感谢指正！