Update to 4.15milestones repository.

Change-Id: Icb06c25c69b47bbbb7f605cbde60e7027a465b13
Signed-off-by: Alexander Kurtakov <akurtako@redhat.com>
diff --git a/releng/mavenparent/pom.xml b/releng/mavenparent/pom.xml
index eebe65b..79fd8f1 100644
--- a/releng/mavenparent/pom.xml
+++ b/releng/mavenparent/pom.xml
@@ -144,7 +144,7 @@
     <!-- some bundles might depend on base platform content -->
     <repository>
       <id>eclipse-platform</id>
-      <url>https://download.eclipse.org/eclipse/updates/4.14milestones/</url>
+      <url>https://download.eclipse.org/eclipse/updates/4.15milestones/</url>
       <layout>p2</layout>
     </repository>
   </repositories>