Fix java 8 build

Author: cavallium

example/pom.xml

@@ -26,7 +26,7 @@
 			<dependency>
 				<groupId>it.tdlight</groupId>
 				<artifactId>tdlight-java-bom</artifactId>
-				<version>3.0.12+td.1.8.14</version>
+				<version>3.1.0+td.1.8.16</version>
 				<type>pom</type>
 				<scope>import</scope>
 			</dependency>

tdlight-java/src/main/java/it/tdlight/client/SimpleTelegramClient.java

@@ -122,7 +122,7 @@ public final class SimpleTelegramClient implements Authenticable, MutableTelegra
 		this.addUpdateHandler(TdApi.UpdateAuthorizationState.class,
 				this.meGetter = new AuthorizationStateReadyGetMe(client, mainChatsLoader, archivedChatsLoader));
 		this.addUpdateHandler(TdApi.UpdateNewMessage.class, new CommandsHandler(client, this.commandHandlers, this::getMe));
-		var temporaryMessageHandler = new TemporaryMessageHandler(this.temporaryMessages);
+		TemporaryMessageHandler temporaryMessageHandler = new TemporaryMessageHandler(this.temporaryMessages);
 		this.addUpdateHandler(TdApi.UpdateMessageSendSucceeded.class, temporaryMessageHandler);
 		this.addUpdateHandler(TdApi.UpdateMessageSendFailed.class, temporaryMessageHandler);
 		this.authenticationData = authenticationData;

tdlight-java/src/main/java/it/tdlight/client/TemporaryMessageURL.java

@@ -28,7 +28,7 @@ public boolean equals(Object obj) {
 		if (obj == null || obj.getClass() != this.getClass()) {
 			return false;
 		}
-		var that = (TemporaryMessageURL) obj;
+		TemporaryMessageURL that = (TemporaryMessageURL) obj;
 		return this.chatId == that.chatId && this.messageId == that.messageId;
 	}