Patch: Open TemporaryBuffer in try-with-resource

Change-Id: I90bff8d49ecc37b8c10ce909cd3ac563205b641c
Signed-off-by: David Pursehouse <david.pursehouse@gmail.com>

org.eclipse.jgit/src/org/eclipse/jgit/patch/Patch.java

@@ -152,11 +152,11 @@ public class Patch {
 	}
 
 	private static byte[] readFully(final InputStream is) throws IOException {
-		TemporaryBuffer b = new TemporaryBuffer.Heap(Integer.MAX_VALUE);
+		try (TemporaryBuffer b = new TemporaryBuffer.Heap(Integer.MAX_VALUE)) {
 			b.copy(is);
-		b.close();
 			return b.toByteArray();
 		}
+	}
 
 	/**
 	 * Parse a patch stored in a byte[].