fix cpp solution for Merge Sorted Array
fix cpp solution for Merge Sorted Array

hawkphantomnet/leetcode,hawkphantomnet/leetcode,hawkphantomnet/leetcode,hawkphantomnet/leetcode,hawkphantomnet/leetcode,hawkphantomnet/leetcode,hawkphantomnet/leetcode,hawkphantomnet/leetcode