moduzlib: Integrate into the system.
diff --git a/py/mpconfig.h b/py/mpconfig.h
index 92b61d0..fa5f682 100644
--- a/py/mpconfig.h
+++ b/py/mpconfig.h
@@ -390,6 +390,10 @@
 #define MICROPY_PY_ZLIBD (0)
 #endif
 
+#ifndef MICROPY_PY_UZLIB
+#define MICROPY_PY_UZLIB (0)
+#endif
+
 #ifndef MICROPY_PY_UJSON
 #define MICROPY_PY_UJSON (0)
 #endif