[releng] Update Sirius update site

Change-Id: I5dde91950e2db4a348f493157ed74e732fc0d021
Signed-off-by: Olivier Constant <olivier.constant@thalesgroup.com>
diff --git a/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.target b/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.target
index 0ce114a..5e39c09 100644
--- a/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.target
+++ b/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.target
@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <?pde?>
 <!-- generated with https://github.com/eclipse-cbi/targetplatform-dsl -->
-<target name="org.eclipse.emf.diffmerge" sequenceNumber="1569832602">
+<target name="org.eclipse.emf.diffmerge" sequenceNumber="1581953352">
   <locations>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="false" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.license.feature.group" version="2.0.2.v20181016-2210"/>
@@ -31,7 +31,7 @@
     </location>
     <location includeMode="slicer" includeAllPlatforms="false" includeSource="false" includeConfigurePhase="false" type="InstallableUnit">
       <unit id="org.eclipse.sirius.specifier.feature.group" version="0.0.0"/>
-      <repository location="https://download.eclipse.org/sirius/updates/stable/6.3.0-S20190716-100145/2019-06"/>
+      <repository location="http://download.eclipse.org/sirius/updates/releases/6.3.0/2019-06"/>
     </location>
   </locations>
 </target>
diff --git a/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.tpd b/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.tpd
index 068f5e6..6f07b1b 100644
--- a/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.tpd
+++ b/releng/org.eclipse.emf.diffmerge.target/org.eclipse.emf.diffmerge.target.tpd
@@ -25,6 +25,6 @@
 	org.eclipse.gmf.runtime.notation.feature.group lazy
 	com.google.guava lazy
 }
-location "https://download.eclipse.org/sirius/updates/stable/6.3.0-S20190716-100145/2019-06" {
+location "http://download.eclipse.org/sirius/updates/releases/6.3.0/2019-06" {
 	org.eclipse.sirius.specifier.feature.group lazy
-}
\ No newline at end of file
+}