Update Solution.c

Author: yanglbme

solution/0000-0099/0002.Add Two Numbers/Solution.c

@@ -1,3 +1,4 @@
+
 /**
  * Definition for singly-linked list.
  * struct ListNode {
@@ -37,4 +38,4 @@ struct ListNode* addTwoNumbers(struct ListNode* l1, struct ListNode* l2) {
     struct ListNode* result = dummy->next;
     free(dummy);
     return result;
-}
+}