Add Logo to Sandbox

gs_loogo_snippet.php

<?php 

add_action('genesis_before', 'gs_do_logo');
function gs_do_logo() {
  if ( genesis_get_option('blog_title') == 'image' && get_theme_mod( 'gs_logo' ) )
		remove_action( 'genesis_site_title', 'genesis_seo_site_title' );
		add_action( 'genesis_site_title', 'gs_replace_logo' );
}


function gs_replace_logo() {
	$gs_get_logo = get_theme_mod( 'gs_logo' );
 	if ( genesis_get_option('blog_title') == 'image' && get_theme_mod( 'gs_logo' ) )
 		echo '<div class="site-logo"><a href="/"><img src="' . $gs_get_logo .'"></a></div>';
}