Fix failing spec.

Author: pbarry-r7

lib/rex/proto/http/client.rb

@@ -634,11 +634,13 @@ def pipelining?
   #
   def peerinfo
     if self.conn
-      pi = self.conn.peerinfo
-      return {
-        'addr' => pi.split(':')[0],
-        'port' => pi.split(':')[1].to_i
-      }
+      pi = self.conn.peerinfo || nil
+      if pi
+        return {
+          'addr' => pi.split(':')[0],
+          'port' => pi.split(':')[1].to_i
+        }
+      end
     end
     nil
   end

spec/lib/rex/proto/http/client_spec.rb

@@ -119,6 +119,7 @@ def excuse_needs_auth
     it "should send creds after receiving a 401" do
       conn = double
       allow(conn).to receive(:put)
+      allow(conn).to receive(:peerinfo)
       allow(conn).to receive(:shutdown)
       allow(conn).to receive(:close)
       allow(conn).to receive(:closed?).and_return(false)