Update EIP-1438: Fix pathing (ethereum#7373)

More absolute paths that need relativing

EIPS/eip-1438.md

@@ -25,7 +25,7 @@ While many projects are under development in an open source way, they are simply
 
 
 #### The following avatar store, badge system, and universal wallet are kind of examples about component dApp.
-![intro](/assets/eip-1438/intro.png)
+![intro](../assets/eip-1438/intro.png)
 
 ## Specification
 ### 1. Avatar
@@ -38,11 +38,11 @@ The avatar's information & assets are stored in the event log part of the block
 - Assets are SVG format. (compressed with gzip)
 - avatar information data is json (compressed with msgpack)
 
-![avatar](/assets/eip-1438/avatar.png)
+![avatar](../assets/eip-1438/avatar.png)
 ** The avatar assets from [Avataaars](https://github.com/fangpenlin/avataaars) developed by [Fang-Pen Lin](https://twitter.com/fangpenlin), the original avatar is designed by [Pablo Stanley](https://twitter.com/pablostanley).
 
 ### 2. Universal Wallet
-![wallet](/assets/eip-1438/wallet.png)
+![wallet](../assets/eip-1438/wallet.png)
 #### 2.1. ERC20 interface
 ``` js
 contract ERC20Interface {