Release ObjectReader before the cached ObjectDatabase

I don't want to play games with the order of release here, its
probably safer to release the reader before the database, just
in case the one depends on the other.

Change-Id: I2394c7d2477eaf7a7e1556fc3393c59d3b31e764
Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

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

@@ -425,17 +425,17 @@ public class IndexPack {
 
 			} finally {
 				try {
-					InflaterCache.release(inflater);
+					if (readCurs != null)
+						readCurs.release();
 				} finally {
-					inflater = null;
-					objectDatabase.close();
+					readCurs = null;
 				}
 
 				try {
-					if (readCurs != null)
-						readCurs.release();
+					InflaterCache.release(inflater);
 				} finally {
-					readCurs = null;
+					inflater = null;
+					objectDatabase.close();
 				}
 
 				progress.endTask();