Add missing @since tag for new API RepoCommand.setTargetURI()

Change-Id: I4531b94e3a04606a69eeb3c3d154510b87507012
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
index 3e8d524..8f5f15e 100644
--- a/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/gitrepo/RepoCommand.java
@@ -282,11 +282,13 @@
 	}
 
 	/**
-	 * Set the URI of the superproject (this repository), so the .gitmodules file can specify the
-	 * submodule URLs relative to the superproject.
+	 * Set the URI of the superproject (this repository), so the .gitmodules
+	 * file can specify the submodule URLs relative to the superproject.
 	 *
-	 * @param uri the URI of the repository holding the superproject.
+	 * @param uri
+	 *            the URI of the repository holding the superproject.
 	 * @return this command
+	 * @since 4.8
 	 */
 	public RepoCommand setTargetURI(String uri) {
 		// The repo name is interpreted as a directory, for example