GH-912 - Fix Javadoc source folder after plugin update.

Author: odrotbohm

src/docs/resources/assemblies/docs.xml

@@ -21,7 +21,7 @@
 			<!--
 				Adds reference manual (html and pdf) to the distribution archive under the 'docs/reference'.
 			-->
-			<directory>../target/site/apidocs</directory>
+			<directory>../target/reports/apidocs</directory>
 			<outputDirectory>api</outputDirectory>
 		</fileSet>
 	</fileSets>