Merge pull request #8458 from Gary Russell

* gh-8458:
  Upgrade to Spring AMQP 1.6.8.RELEASE

Author: wilkinsona

spring-boot-dependencies/pom.xml

@@ -146,7 +146,7 @@
 		<solr.version>5.5.4</solr.version>
 		<spock.version>1.0-groovy-2.4</spock.version>
 		<spring.version>4.3.7.RELEASE</spring.version>
-		<spring-amqp.version>1.6.7.RELEASE</spring-amqp.version>
+		<spring-amqp.version>1.6.8.RELEASE</spring-amqp.version>
 		<spring-cloud-connectors.version>1.2.3.RELEASE</spring-cloud-connectors.version>
 		<spring-batch.version>3.0.7.RELEASE</spring-batch.version>
 		<spring-data-releasetrain.version>Hopper-BUILD-SNAPSHOT</spring-data-releasetrain.version>
@@ -2669,4 +2669,4 @@
 			<id>integration-test</id>
 		</profile>
 	</profiles>
-</project>
+</project>