Update badge URL.

Author: goto-bus-stop

readme.markdown

@@ -4,7 +4,7 @@ evaluate statically-analyzable expressions
 
 [![testling badge](https://ci.testling.com/substack/static-eval.png)](https://ci.testling.com/substack/static-eval)
 
-[![build status](https://secure.travis-ci.org/substack/static-eval.png)](http://travis-ci.org/substack/static-eval)
+[![build status](https://secure.travis-ci.org/browserify/static-eval.png)](http://travis-ci.org/browserify/static-eval)
 
 # security