Fix Javadoc on Java 11
diff --git a/pom.xml b/pom.xml
index 6c58c13..83fff53 100644
--- a/pom.xml
+++ b/pom.xml
@@ -144,6 +144,17 @@
<includeResources>false</includeResources>
</configuration>
</plugin>
+ <plugin>
+ <groupId>org.apache.maven.plugins</groupId>
+ <artifactId>maven-javadoc-plugin</artifactId>
+ <configuration>
+ <source>8</source>
+ <doclint>none</doclint>
+ <sourceFileExcludes>
+ <sourceFileExclude>**/jacl/*.java</sourceFileExclude>
+ </sourceFileExcludes>
+ </configuration>
+ </plugin>
</plugins>
</pluginManagement>
</build>