Update repository URLs to Eclipse Mars.2 release URLs

Change-Id: I37a0481dda52db6bef0f8408ad051dbadb2e68a7
Signed-off-by: Markus Knauer <mknauer@eclipsesource.com>
diff --git a/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target b/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
index 0488c08..4bf0eef 100644
--- a/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
+++ b/releng/org.eclipse.rap.tools.build/target.definition/org.eclipse.rap.tools.target.definition.target
@@ -22,7 +22,7 @@
 <unit id="org.eclipse.rcp.feature.group" version="4.5.2.v20160203-1000"/>
 <unit id="org.eclipse.rcp.source.feature.group" version="4.5.2.v20160203-1000"/>
 <unit id="org.eclipse.sdk.ide" version="4.5.2.M20160203-1000"/>
-<repository location="http://download.eclipse.org/eclipse/updates/4.5-M-builds/M-4.5.2RC3-201602031000/"/>
+<repository location="http://download.eclipse.org/eclipse/updates/4.5/R-4.5.2-201602121500/"/>
 </location>
 <location includeAllPlatforms="false" includeConfigurePhase="true" includeMode="slicer" includeSource="true" type="InstallableUnit">
 <unit id="org.eclipse.license.feature.group" version="1.0.1.v20140414-1359"/>