Squashed 'connectivity/nanostack/sal-stack-nanostack-eventloop/' changes from 86cf0cca08..fb20d3f32c

fb20d3f32c Merge remote-tracking branch 'origin/master' into release_for_mbed_os
d182fa4b3a Follow Mbed OS coding style (#47)
806f54cea9 Use event id 0 for initialization event (#45)

git-subtree-dir: connectivity/nanostack/sal-stack-nanostack-eventloop
git-subtree-split: fb20d3f32c84e2a3b2335d01df36100b5b5881ec

Author: Arto Kinnunen

source/event.c

@@ -109,6 +109,7 @@ int8_t eventOS_event_handler_create(void (*handler_func_ptr)(arm_event_s *), uin
     event_tmp->data.receiver = new->id;
     event_tmp->data.sender = 0;
     event_tmp->data.event_type = init_event_type;
+    event_tmp->data.event_id = 0;
     event_tmp->data.event_data = 0;
     event_core_write(event_tmp);
 
@@ -197,7 +198,9 @@ void event_core_free_push(arm_event_storage_t *free)
             timer_sys_event_free(free);
             break;
         case ARM_LIB_EVENT_USER:
+            // *INDENT-OFF*
             // No need set state to UNQUEUED - we forget about it.
+            // *INDENT-ON*
         default:
             break;
     }