Add solution 004[CPP]

Author: KongJHong

solution/004.Median of Two Sorted Arrays/Solution.cpp

@@ -15,6 +15,7 @@ class Solution {
 				it1++;
 			}
 		}
+		
 		while (it1 != nums1.end()) {
 			nums[index++] = *it1;
 			it1++;