Don't call the function if it doesn't exist yet. fixes #4249
git-svn-id: http://svn.automattic.com/wordpress/trunk@5455 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -370,7 +370,10 @@ class wpdb {
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if ( !$this->show_errors )
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return false;
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status_header( 503 );
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if ( function_exists( 'status_header' ) ) {
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status_header( 503 );
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}
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header('Content-Type: text/html; charset=utf-8');
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if (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false)
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