Bug 558316 - Build platform javadocs with syntax checks enabled

Change-Id: Ia172d1c135b7aff993509c92b0a53f4c5919925e
Signed-off-by: Paul Pazderski <paul-eclipse@ppazderski.de>
diff --git a/bundles/org.eclipse.platform.doc.isv/platformOptions.txt b/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
index 2b53c81..d1ac3a6 100644
--- a/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
+++ b/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
@@ -198,7 +198,7 @@
 -tag 'generated:X:"EMF generated tag"'
 -tag 'ordered:X:"EMF generated tag"'
 -tag 'Immutable:t'
--Xdoclint:reference,html
+-Xdoclint:reference,html,syntax
 -Xmaxwarns 10000
 -Xmaxerrs 10000