corrected 2 jslint errors in gdrivestorage test file

test/jio.storage/gdrivestorage.tests.js

@@ -40,7 +40,7 @@
     expect(3);
 
     this.jio[fun]("inexistent", encl ? "enclosure" : undefined,
-                  blob ? blob : undefined)
+                  blob || undefined)
       .fail(function (error) {
         ok(error instanceof jIO.util.jIOError);
         equal(error.message, "Cannot find document: inexistent");