LsRemote: suppress warning for non-externalized string

Change-Id: Ic1d8f2eef4a8de0a75d5b523b584b1ac275a8811
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>
diff --git a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java
index 055b48a..83446cc 100644
--- a/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java
+++ b/org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/LsRemote.java
@@ -79,7 +79,7 @@
 
 	private void show(Ref ref, String name)
 			throws IOException {
-		outw.print("ref: ");
+		outw.print("ref: "); //$NON-NLS-1$
 		outw.print(ref.getName());
 		outw.print('\t');
 		outw.print(name);