Update libc to 0.2.39

CC #42681

diff --git a/src/liblibc b/src/liblibc
index 56444a4545bd71430d64b86b8a71714cfdbe9f5d..ed04152aacf5b4798f78ff13396f3c04c0a77144 160000 (submodule)
--- a/src/liblibc
+++ b/src/liblibc
@@ -1 +1 @@
-Subproject commit 56444a4545bd71430d64b86b8a71714cfdbe9f5d
+Subproject commit ed04152aacf5b4798f78ff13396f3c04c0a77144