Update libc to 0.2.21

malbarbo · malbarbo · commit c96491fa4418 · 2017-03-17T08:08:30.000-03:00
diff --git a/src/liblibc b/src/liblibc
@@ -1 +1 @@
-Subproject commit 64d954c6a76e896fbf7ed5c17e77c40e388abe84
+Subproject commit 05a2d197356ef253dfd985166576619ac9b6947f
