Bug 558566 - add org.eclipse.e4.ui.ide to platform javadoc

Added src/ folder to -sourcepath as now it contains classes required for
downstream bundles

Change-Id: I8eddb058a0ddbc49604dac72a8b4c71ebf59b5fe
Signed-off-by: Alexander Fedorov <alexander.fedorov@arsysop.ru>
diff --git a/bundles/org.eclipse.platform.doc.isv/platformOptions.txt b/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
index 699f7b1..d5985c4 100644
--- a/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
+++ b/bundles/org.eclipse.platform.doc.isv/platformOptions.txt
@@ -83,6 +83,7 @@
 ;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.css.swt.theme/src
 ;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.di/src
 ;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.dialogs/src
+;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.ide/src
 ;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.ide/src-e3
 ;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.model.workbench/src
 ;${eclipse.platform.ui.bundles}/org.eclipse.e4.ui.services/src