Bug 577296: Add help stubs for 4.22

Change-Id: I6ca7e2948ba52502ffe635507b240c611de27e50
Signed-off-by: Kalyan Prasad Tatavarthi <kalyan_prasad@in.ibm.com>
Reviewed-on: https://git.eclipse.org/r/c/platform/eclipse.platform.common/+/187967

bundles/org.eclipse.platform.doc.isv/topics_Porting.xml

diff --git a/bundles/org.eclipse.platform.doc.isv/topics_Porting.xml b/bundles/org.eclipse.platform.doc.isv/topics_Porting.xml
index 2af3711..b6c0124 100644
--- a/bundles/org.eclipse.platform.doc.isv/topics_Porting.xml
+++ b/bundles/org.eclipse.platform.doc.isv/topics_Porting.xml
@@ -8,7 +8,7 @@
 	<topic label="Migrating to Eclipse 4.22 from 4.21">
 		<topic label="Introduction" href="porting/eclipse_4_22_porting_guide.html"/>
 		<topic label="FAQ" href="porting/4.22/faq.html" />
-		<topic label="Incompatibilities" href="porting/4.21/incompatibilities.html" />
+		<topic label="Incompatibilities" href="porting/4.22/incompatibilities.html" />
 		<topic label="Adopting 4.22 mechanisms and API" href="porting/4.22/recommended.html" />
 	</topic>
 	<topic label="Migrating to Eclipse 4.21 from 4.20">