module: ignore module path after null character

Null char as the first char as the path component
of first argument of require causes a node crash.
Ignoring null and all chars after that in require path.

Fixes: nodejs#13787

test/parallel/test-require-exceptions.js

@@ -33,6 +33,11 @@ assert.throws(function() {
   require(`${common.fixturesDir}/throws_error`);
 }, /^Error: blah$/);
 
+// Requiring the module with null character
+assert.throws(function() {
+  require('../\u0000on');
+}, /^Error: blah$/); //TODO: Fix the acual error
+
 // Requiring a module that does not exist should throw an
 // error with its `code` set to MODULE_NOT_FOUND
 assertModuleNotFound('/DOES_NOT_EXIST');