Bug 391997 -Add tycho.scmUrl for eclipse.platform.team.git

diff --git a/pom.xml b/pom.xml
index b32a4ec..3ce365b 100644
--- a/pom.xml
+++ b/pom.xml
@@ -27,6 +27,10 @@
   <version>3.8.0-SNAPSHOT</version>
   <packaging>pom</packaging>
 
+  <properties>
+    <tycho.scmUrl>scm:git:git://git.eclipse.org/gitroot/platform/eclipse.platform.team.git</tycho.scmUrl>
+  </properties>
+
   <modules>
     <module>bundles/org.eclipse.compare</module>
     <module>bundles/org.eclipse.compare.win32</module>