Set the anonymous_login option

Author: zeroSteiner

lib/msf/core/auxiliary/auth_brute.rb

@@ -59,6 +59,7 @@ def initialize(info = {})
   # @return [Metasploit::Framework::CredentialCollection] the built CredentialCollection
   def build_credential_collection(opts)
     cred_collection = Metasploit::Framework::CredentialCollection.new({
+      anonymous_login: datastore['ANONYMOUS_LOGIN'],
       blank_passwords: datastore['BLANK_PASSWORDS'],
       pass_file: datastore['PASS_FILE'],
       user_file: datastore['USER_FILE'],