pgm: Fix missing braces in ShowRef.run()

Change-Id: I92bc2008c72bd4495dc3df47a9dd7eb242aab30f
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit.pgm/src/org/eclipse/jgit/pgm/ShowRef.java

@@ -60,8 +60,9 @@ class ShowRef extends TextBuiltin {
 		try {
 			for (Ref r : getSortedRefs()) {
 				show(r.getObjectId(), r.getName());
-				if (r.getPeeledObjectId() != null)
+				if (r.getPeeledObjectId() != null) {
 					show(r.getPeeledObjectId(), r.getName() + "^{}"); //$NON-NLS-1$
+				}
 			}
 		} catch (IOException e) {
 			throw die(e.getMessage(), e);