updates deprecated get_currentuserinfo to wp_get_current_user for WP …

…v. 4.5 and higher -- the right way -- as listed in issue WPBuddy#844

inc/users.php

@@ -142,7 +142,7 @@ function largo_edit_permission_check() {
  $screen = get_current_screen();
 
  global $wp_version; 
- if ( !substr( $wp_version, 0, 3 ) === "4.5" ) {
+ if ( $wp_version < 4.5 ) {
  get_currentuserinfo();
  } else {
  wp_get_current_user();