Update libc to include Fuchsia changes

cramertj · cramertj · commit 31c7218af412 · 2017-11-16T13:54:38.000-08:00
diff --git a/src/liblibc b/src/liblibc
@@ -1 +1 @@
-Subproject commit c1068cd82ae55907e8fd4457b98278a3aaa9162b
+Subproject commit a72a79b34def38e9004baa459a3c204eb674b14c
