fix test-module-loading on windows

test/simple/test-module-loading.js

@@ -176,7 +176,7 @@ try {
   require(loadOrder + 'file3');
 } catch (e) {
   // Not a real .node module, but we know we require'd the right thing.
-  assert.ok(e.message.match(/file3\.node/));
+  assert.ok(e.message.replace(/\\/g, '/').match(/file3\.node/));
 }
 assert.equal(require(loadOrder + 'file4').file4, 'file4.reg', msg);
 assert.equal(require(loadOrder + 'file5').file5, 'file5.reg2', msg);
@@ -184,7 +184,7 @@ assert.equal(require(loadOrder + 'file6').file6, 'file6/index.js', msg);
 try {
   require(loadOrder + 'file7');
 } catch (e) {
-  assert.ok(e.message.match(/file7\/index\.node/));
+  assert.ok(e.message.replace(/\\/g, '/').match(/file7\/index\.node/));
 }
 assert.equal(require(loadOrder + 'file8').file8, 'file8/index.reg', msg);
 assert.equal(require(loadOrder + 'file9').file9, 'file9/index.reg2', msg);