fix after rebase

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

app/src/main/java/com/nextcloud/talk/users/UserManager.kt

@@ -51,7 +51,7 @@ class UserManager internal constructor(private val userRepository: UsersReposito
             return userRepository.getActiveUserObservable()
         }
 
-    fun deleteUser(internalId: Long) {
+    fun deleteUser(internalId: Long): Int {
         return userRepository.deleteUser(userRepository.getUserWithId(internalId).blockingGet())
     }