Silence false null pointer access warnings in PackFile

Change-Id: Ia39085557b38840dfaa9b4995e6f6c40e19042cb
Signed-off-by: Matthias Sohn <matthias.sohn@sap.com>

org.eclipse.jgit/src/org/eclipse/jgit/internal/storage/file/PackFile.java

@@ -362,6 +362,7 @@ public class PackFile implements Iterable<PackIndex.MutableEntry> {
 		}
 	}
 
+	@SuppressWarnings("null")
 	private void copyAsIs2(PackOutputStream out, LocalObjectToPack src,
 			boolean validate, WindowCursor curs) throws IOException,
 			StoredObjectRepresentationNotAvailableException {
@@ -703,6 +704,7 @@ public class PackFile implements Iterable<PackIndex.MutableEntry> {
 					, getPackFile()));
 	}
 
+	@SuppressWarnings("null")
 	ObjectLoader load(final WindowCursor curs, long pos)
 			throws IOException, LargeObjectException {
 		try {