Fixed small order of operations error in self.local_ip()

Change-Id: I6f4fe5255aa54e88cf14838f34a65fd9bb6515d5

common/lib/vcap/common.rb

@@ -11,7 +11,8 @@ module VCAP
 
   def self.local_ip(route = A_ROOT_SERVER)
     route ||= A_ROOT_SERVER
-    orig, Socket.do_not_reverse_lookup = Socket.do_not_reverse_lookup, true
+    orig = Socket.do_not_reverse_lookup
+    Socket.do_not_reverse_lookup = true
     UDPSocket.open {|s| s.connect(route, 1); s.addr.last }
   ensure
     Socket.do_not_reverse_lookup = orig