[releng] Specify tycho version for tycho-source-feature-plugin.
diff --git a/features/org.eclipse.xsd.sdk-feature/pom.xml b/features/org.eclipse.xsd.sdk-feature/pom.xml
index 52a7fee..d71e930 100644
--- a/features/org.eclipse.xsd.sdk-feature/pom.xml
+++ b/features/org.eclipse.xsd.sdk-feature/pom.xml
@@ -20,6 +20,7 @@
<plugin>
<groupId>org.eclipse.tycho.extras</groupId>
<artifactId>tycho-source-feature-plugin</artifactId>
+ <version>${tycho-version}</version>
<configuration>
<skip>true</skip>
</configuration>