change API cs_close() to take pointer to handle as argument. this lets us invalidate the closed handle
diff --git a/tests/test_ppc.c b/tests/test_ppc.c
index 393eea2..548e0c5 100644
--- a/tests/test_ppc.c
+++ b/tests/test_ppc.c
@@ -123,7 +123,7 @@
 
 		printf("\n");
 
-		cs_close(handle);
+		cs_close(&handle);
 	}
 }