Fix scope of $noblogs_master variable

wp-nginx-map.php

@@ -16,7 +16,7 @@ function get_blogs() {
   global $wpdb;
   $sql = "SELECT blog_id, domain FROM $wpdb->blogs WHERE deleted = 0 AND archived = '0' ORDER BY domain ASC";
   $result = $wpdb->get_results($sql);
-  return ($result);  
+  return ($result);
 }
 
 function printline($s) {
@@ -35,6 +35,7 @@ function backend_to_http_endpoint($backend) {
 // Print the blog -> backend map.
 function generate_map() {
   global $wpdb;
+  global $noblogs_master;
   $wpdb_hash = &$wpdb->hash_map;
 
   $blogs = get_blogs();
@@ -54,4 +55,3 @@ function generate_map() {
 
 
 generate_map();
-