No Configuration details in wp-config throws error

[technosailor]

In r5126, when a vanilla install of WP is setup and no db settings set in wp-config.php, this error is thrown:

Notice: Trying to get property of non-object in /Users/aaron/Sites/trunk/wp-includes/functions.php on line 1350

Patch attached.

[technosailor]

Checks to ensure $wp_locale is set before running property conditional

[ryan]

(In [5129]) Avoid non-object error when wp_die()ing before is instantiated. Props technosailor. fixes #4042