Land rapid7#7889 - use a better check for whether rhosts exists

Author: OJ

lib/msf/core/exploit.rb

@@ -294,15 +294,14 @@ def initialize(info = {})
         # Don't add the automatic target unless there's already more than one target to pick from
         if info['Targets'].count > 1
           # Finally, only add the target if there is a remote host option
-          if self.respond_to?(:rhost)
+          if self.respond_to?(:rhost) && self.respond_to?(:auto_targeted_index)
             auto = ["Automatic", { 'AutoGenerated' => true}]
             info['Targets'].unshift(auto)
           end
         end
       end
     end
 
-
     self.targets = Rex::Transformer.transform(info['Targets'], Array,
         [ Target ], 'Targets')
     self.default_target = info['DefaultTarget'] || 0
@@ -702,7 +701,6 @@ def target
           datastore['TARGET'] = 1
         end
       end
-
     end
 
     target_idx = target_index