[klibc] 1.5.20 released, next version is 1.5.21
diff --git a/usr/klibc/version b/usr/klibc/version
index a7ccabd..07a45d7 100644
--- a/usr/klibc/version
+++ b/usr/klibc/version
@@ -1 +1 @@
-1.5.20
+1.5.21