Change url to image in readme to a relative url

SamyPesse · SamyPesse · commit a7b3d2322905 · 2014-05-30T00:26:19.000+02:00
diff --git a/README.md b/README.md
@@ -19,4 +19,4 @@ You can follow me on Twitter [@SamyPesse](https://twitter.com/SamyPesse) or supp
 
 The goal is to build a very simple UNIX-based operating system in C++, not just a "proof-of-concept". The OS should be able to boot, start a userland shell, and be extensible.
 
-[![Screen](https://raw.github.com/SamyPesse/How-to-Make-a-Computer-Operating-System/master/preview.png)](https://raw.github.com/SamyPesse/How-to-Make-a-Computer-Operating-System/master/preview.png)
+[![Screen](./preview.png)](./preview.png)

Original file line number	Diff line number	Diff line change
`@@ -19,4 +19,4 @@ You can follow me on Twitter [@SamyPesse](https://twitter.com/SamyPesse) or supp`
`19`	`19`
`20`	`20`	`The goal is to build a very simple UNIX-based operating system in C++, not just a "proof-of-concept". The OS should be able to boot, start a userland shell, and be extensible.`
`21`	`21`
`22`		`-[![Screen](https://raw.github.com/SamyPesse/How-to-Make-a-Computer-Operating-System/master/preview.png)](https://raw.github.com/SamyPesse/How-to-Make-a-Computer-Operating-System/master/preview.png)`
	`22`	`+[![Screen](./preview.png)](./preview.png)`