spotbugs: FCBL_FIELD_COULD_BE_LOCAL

Signed-off-by: Andy Scherzinger <info@andy-scherzinger.de>

src/main/java/com/owncloud/android/ui/adapter/UserListAdapter.java

@@ -295,8 +295,6 @@ public class UserListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
 
         private User user;
 
-        private ImageView accountMenuButton;
-
 
         AccountViewHolderItem(@NonNull View view) {
             super(view);
@@ -304,10 +302,9 @@ public class UserListAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolde
             this.checkViewItem = view.findViewById(R.id.ticker);
             this.usernameViewItem = view.findViewById(R.id.user_name);
             this.accountViewItem = view.findViewById(R.id.account);
-            this.accountMenuButton = view.findViewById(R.id.account_menu);
 
             view.setOnClickListener(this);
-            accountMenuButton.setOnClickListener(this);
+            view.findViewById(R.id.account_menu).setOnClickListener(this);
         }
 
         public void setData(User user) {