Multisite: Set default `$args` to an empty array in `get_networks()`.

The empty string was not incorrect. Using `array()` here instead makes things a bit more consistent by aligning with `get_sites()`, `get_users()`, and `get_terms()`.

See #32504.

Built from https://develop.svn.wordpress.org/trunk@38042


git-svn-id: http://core.svn.wordpress.org/trunk@37983 1a063a9b-81f0-0310-95a4-ce76da25c4cd

wp-includes/ms-blogs.php

@@ -1073,7 +1073,7 @@ function get_last_updated( $deprecated = '', $start = 0, $quantity = 40 ) {
  *                           for information on accepted arguments. Default empty.
  * @return int|array List of networks or number of found networks if `$count` argument is true.
  */
-function get_networks( $args = '' ) {
+function get_networks( $args = array() ) {
 	$query = new WP_Network_Query();
 
 	return $query->query( $args );

wp-includes/version.php

@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.6-beta2-38041';
+$wp_version = '4.6-beta2-38042';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.