[i660] canEqual is now protected instead of public.

Also fixed the total lack of canEqual in the usage examples.

test/transform/resource/before/EqualsAndHashCodeWithExistingMethods.java

@@ -20,7 +20,7 @@ final class EqualsAndHashCodeWithExistingMethods2 {
 final class EqualsAndHashCodeWithExistingMethods3 extends EqualsAndHashCodeWithExistingMethods {
 	int x;
 	
-	public boolean canEqual(Object other) {
+	private boolean canEqual(Object other) {
 		return true;
 	}
 }