Merge pull request #968 from LXIF/patch-1

Update subscriber.did with correct types

Author: letmejustputthishere

rust/pub-sub/src/subscriber/src/subscriber.did

@@ -1,12 +1,12 @@
-type Counter = variant {    
+type Counter = record {    
     topic : text;
     value:nat64;
 };
-type Subscriber = variant {
+type Subscriber = record {
     topic:text;
   };
 service : {
      "setup_subscribe": (publisher_id:principal,topic:text) -> ();
      "update_count": (counter : Counter) -> ();
      "get_count": () -> (nat64);
-}
+}