Updated stale link in readme

Author: mandliya

README.md

@@ -20,7 +20,7 @@
 | Swap nodes of a linkedlist without swapping data. | [swapNodesWithoutSwappingData.cpp] (linked_list_problems/swapNodesWithoutSwappingData.cpp) |
 | Given a linked list, reverse alternate nodes and append at the end. | [reverseAlternateNodes.cpp](linked_list_problems/reverseAlternateNodes.cpp) |
 | Only given a node pointer, delete the node from the linked list. | [deleteNode.cpp](linked_list_problems/deleteNode.cpp) |
-| Delete the entire linkedlist. | [deleteLinkedlist.cpp](linked_list/deleteLinkedlist.cpp) |
+| Delete the entire linkedlist. | [deleteLinkedlist.cpp](linked_list_problems/deleteLinkedlist.cpp)|
 | Print middle node of linkedlist without iterating twice. | [printMiddleNode.cpp](linked_list_problems/printMiddleNode.cpp) | | Detecting and removing a cycle in linkedlist.| [floyedCycleDetection.cpp](linked_list_problems/floyedCycleDetection.cpp)|
 | Determine if a linked list is a pallindrome. | [listPallindrome.cpp](linked_list_problems/listPallindrome.cpp) |
 | Insert data in a sorted linked list.|[insertInASortedLinkedList.cpp](linked_list_problems/insertInASortedLinkedList.cpp) |