Use absolute paths for file resources (#1936)

NuttX based operating systems require absolute paths.

IoT.js-DCO-1.0-Signed-off-by: Roland Takacs [email protected]

Author: Roland Takacs

test/run_pass/test_module_json.js

@@ -14,7 +14,7 @@
  */
 
 var assert = require('assert');
-var json = require('./resources/test.json');
+var json = require(process.cwd() + '/resources/test.json');
 
 assert.equal(json.name, 'IoT.js');
 assert.equal(json.author, 'Samsung Electronics Co., Ltd.');