Fix mirror urls to have major minor and point release numbers.

Change-Id: I02dd59443bc21f14a70aea800f3edb772b5a7fc6
Reviewed-on: https://git.eclipse.org/r/86540
Tested-by: Hudson CI
Reviewed-by: Jeff Johnston <jjohnstn@redhat.com>
diff --git a/pom.xml b/pom.xml
index 16b6d72..08512c8 100644
--- a/pom.xml
+++ b/pom.xml
@@ -49,8 +49,8 @@
   </distributionManagement>
 
   <properties>
-    <mirror-repo-name>update-5.2</mirror-repo-name>
-    <mirror-docker-repo-name>update-docker-2.2</mirror-docker-repo-name>
+    <mirror-repo-name>update-5.2.0</mirror-repo-name>
+    <mirror-docker-repo-name>update-docker-2.2.0</mirror-docker-repo-name>
     <tycho-version>0.26.0</tycho-version>
     <tycho-extras-version>0.26.0</tycho-extras-version>
     <target-platform>linuxtools-e4.6</target-platform>