bump liblibc to 0.2.31

raggi · raggi · commit 0ef87cc109bc · 2017-09-24T13:53:11.000-07:00
diff --git a/src/liblibc b/src/liblibc
@@ -1 +1 @@
-Subproject commit 136bf195dfa546a3589f414c1dfe693aa6ff1018
+Subproject commit 44e4018e1a37716286ec98cb5b7dd7d33ecaf940
