branches/zip:

Cast to  ib_uint64_t the mask for align down before doing the '~' operation on it.

Reviewed by: Heikki

include/ut0byte.ic

@@ -274,7 +274,7 @@ ut_uint64_align_down(
 	ut_ad(align_no > 0);
 	ut_ad(ut_is_2pow(align_no));
 
-	return(n & (ib_uint64_t) ~(align_no - 1));
+	return(n & ~((ib_uint64_t) align_no - 1));
 }
 
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