sermonbrowser admin.php patch

diff --git sb-includes/admin.php sb-includes/admin.php
index aeab8e8..ef6e960 100644
--- sb-includes/admin.php
+++ sb-includes/admin.php
@@ -794,7 +794,9 @@ function sb_files() {
 		$valid_url = false;
 		if(ini_get('allow_url_fopen')) {
 			$headers = array_change_key_case(get_headers($url, 1),CASE_LOWER);
-			if ($headers[0] == 'HTTP/1.1 200 OK') {
+			$matches = array();
+			$matched = preg_match('#HTTP/\d+\.\d+ (\d+)#', $headers[0], $matches);
+			if ($matched && $matches[1] == '200') {
 				if ($_POST['import_type'] == 'download') {
 					$filename = substr($url, strrpos ($url, '/')+1);
 					$filename = substr($filename, 0, strrpos ($filename, '?'));
@@ -2579,4 +2581,4 @@ function sb_add_contextual_help($help) {
 	$out.= '</p></div>';
 	return $out;
 }
-?>
\ No newline at end of file
+?>