Fixing bug in content type checking.

Author: kevinswiber

package.json

@@ -1,6 +1,6 @@
 {
   "name": "argo-resource",
-  "version": "0.0.10",
+  "version": "0.0.11",
   "description": "A resource API framework for Argo.",
   "main": "resource.js",
   "directories": {

resource.js

@@ -294,7 +294,7 @@ ResourceInstaller.prototype._setupRequest = function(obj, handler, produces, con
         if (methods.indexOf(context.env.request.method) !== -1) {
           if (context.env.request.headers['content-type'] && context.consumes
               && context.consumes.indexOf(context.env.request.headers['content-type']) == -1
-              && !checkWithParameters) {
+              && !checkWithParameters()) {
             context.env.response.statusCode = 415;
             context.env.resource.error = { message: 'Unsupported Media Type', supported: context.consumes };