Update Caddy's import path, fix: #4

Author: hsluoyz

authz.go

@@ -3,9 +3,9 @@ package authz
 import (
 	"net/http"
 
+	"github.com/caddyserver/caddy"
+	"github.com/caddyserver/caddy/caddyhttp/httpserver"
 	"github.com/casbin/casbin"
-	"github.com/mholt/caddy"
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
 // Authorizer is a middleware for filtering clients based on their ip or country's ISO code.

authz_test.go

@@ -5,8 +5,8 @@ import (
 	"net/http/httptest"
 	"testing"
 
+	"github.com/caddyserver/caddy/caddyhttp/httpserver"
 	"github.com/casbin/casbin"
-	"github.com/mholt/caddy/caddyhttp/httpserver"
 )
 
 func testRequest(t *testing.T, handler Authorizer, user string, path string, method string, code int) {