change features files to use bnd preprocessing to expand ${version} variable FELIX-1597


git-svn-id: https://svn.apache.org/repos/asf/felix/trunk@815965 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/sigil/eclipse/core.feature/sigil.properties b/sigil/eclipse/core.feature/sigil.properties
index e639ea1..08a4de4 100644
--- a/sigil/eclipse/core.feature/sigil.properties
+++ b/sigil/eclipse/core.feature/sigil.properties
@@ -5,6 +5,6 @@
 	org.apache.felix.sigil.eclipse.core.feature, \
 
 -resources: \
-	feature.xml, \
+	{feature.xml}, \
 
 # end