Array for Structural Wraps

gistfile1.php

if ($gs_theme_support_functions['three']) {
	$gs_structural_wrap = of_get_option('gs_structural_wraps', 'none' );
	add_theme_support( 'genesis-structural-wraps', array_keys($gs_structural_wrap, 1) );    
}

I just want to return the array correctly but it doesn't work, it returns like this: Array ( [header] => 1 [nav] => 1 [subnav] => 0 [inner] => 0 [footer-widgets] => 0 [footer] => 0 ) when I use the following code:

$gs_structural_wrap = of_get_option('gs_structural_wraps', 'none' );
print_r($gs_structural_wrap);

and I need it to return like this:

array ( 'header', 'nav', 'subnav', 'inner', 'footer-widgets', 'footer' )

I got the stupid thing to work.