Bug 501068: [Setup] Tester setup is missing the C++ feature

Add the UML-RT C++ feature to the setup.

Change-Id: I570c55eba04c1b82d98718b88879fc6d3ee15438
diff --git a/content/setup/papyrus-rt-tester.setup b/content/setup/papyrus-rt-tester.setup
index 76956e8..30bc0d2 100644
--- a/content/setup/papyrus-rt-tester.setup
+++ b/content/setup/papyrus-rt-tester.setup
@@ -38,6 +38,8 @@
     <requirement
         name="org.eclipse.papyrusrt.xtumlrt.xtext.feature.feature.group"/>
     <requirement
+        name="org.eclipse.papyrusrt.umlrt.cpp.feature.feature.group"/>
+    <requirement
         name="org.eclipse.cdt.feature.group"/>
     <requirement
         name="org.eclipse.egit.feature.group"/>