Fix stupid infinite loop introduced by preceding commit.

src/dhcp6.c

@@ -692,8 +692,8 @@ static int construct_worker(struct in6_addr *local, int prefix,
 		      if (context->flags & CONTEXT_RA_NAME)
 			param->newname = 1;
 		    
-		      break;
 		    }
+		  break;
 		}
 	    }