Fix warnings

app/src/main/java/net/pokeranalytics/android/model/utils/FavoriteSessionFinder.kt

@@ -101,7 +101,7 @@ class FavoriteSessionFinder {
          */
         private fun favoriteSession(sessionType: Int, location: Location?, realm: Realm, context: Context) : Session? {
 
-            var lastSessionsQuery = realm.where(Session::class.java).equalTo("type", sessionType)
+            val lastSessionsQuery = realm.where(Session::class.java).equalTo("type", sessionType)
             if (location != null) {
                 lastSessionsQuery.equalTo("location.id", location.id)
             }
@@ -110,7 +110,7 @@ class FavoriteSessionFinder {
                 .limit(FAVORITE_SIGNIFICANT_SESSIONS)
                 .findAll()
 
-            var counters= hashMapOf<String, Counter>()
+            val counters= hashMapOf<String, Counter>()
             lastSessions.forEach { session ->
                 val representation = session.parameterRepresentation(context)
                 val counter = counters[representation]