Bug 505655 - [Components][web] pdf are not generated anymore

-inherited parameter was not well set
the follwoing command now works
mvn site -Pdocumentation,documentation-pdf,web.local

Change-Id: Icbb9cadc1cdce8937208634c9e5bfa56a755c8b9
Signed-off-by: Francois Le Fevre - CEA <francois.le-fevre@cea.fr>
diff --git a/components/org.eclipse.papyrus.components.parent/pom.xml b/components/org.eclipse.papyrus.components.parent/pom.xml
index 73a5465..8033b26 100644
--- a/components/org.eclipse.papyrus.components.parent/pom.xml
+++ b/components/org.eclipse.papyrus.components.parent/pom.xml
@@ -917,7 +917,7 @@
 						<groupId>org.apache.maven.plugins</groupId>
 						<artifactId>maven-pdf-plugin</artifactId>
 						<version>1.3</version>
-						<inherited>false</inherited>
+						<inherited>true</inherited>
 						<dependencies>
 							<dependency>
 								<groupId>org.slf4j</groupId>