Attempt to fix 32-bit
diff --git a/libc-test/build.rs b/libc-test/build.rs
index f7c0129..62d8b07 100644
--- a/libc-test/build.rs
+++ b/libc-test/build.rs
@@ -258,7 +258,7 @@
                 unsafe {{
                     same(mem::size_of::<{ty}>() as u64,
                          __test_size_{ty}(), "size");
-                    same(mem::align_of::<{ty}>() as u64,
+                    same(align::<{ty}>() as u64,
                          __test_align_{ty}(), "align");
                 }}
             }}