Update metadata.yml with correct URL

Change-Id: Idbd690da8725c48ad6d786ae6c6e0738e287caaa
diff --git a/metadata.yml b/metadata.yml
index 4bbfca2..d87f5a6 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -1,3 +1,3 @@
 name: "linux"
 version: "2017.4.1"
-source: "https://github.com/tcpcloud/salt-formula-linux"
+source: "https://github.com/salt-formulas/salt-formula-linux"