updating the libc dependency to pull in build breaker fixes

Dave Huseby · Dave Huseby · commit 8c4fdc19cbcb · 2016-01-21T10:05:27.000-08:00
diff --git a/src/liblibc b/src/liblibc
@@ -1 +1 @@
-Subproject commit 9aa6600bd8f4e4f370a7d2fb76c4b3efc669cadf
+Subproject commit af77843345ec6fc7e51113bfd692138d89024bc0
