UploadPack: Suppress false-positive resource leak warning

Change-Id: Ida09cabb11740e6752a6f079d0528d38021fa2dd
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPack.java

@@ -2120,6 +2120,7 @@ public class UploadPack {
 						: req.getDepth() - 1;
 				pw.setShallowPack(req.getDepth(), unshallowCommits);
 
+				@SuppressWarnings("resource") // Ownership is transferred below
 				DepthWalk.RevWalk dw = new DepthWalk.RevWalk(
 						walk.getObjectReader(), walkDepth);
 				dw.setDeepenSince(req.getDeepenSince());