update musl version to 1.1.16

Makefile

@@ -5,7 +5,7 @@ SOURCES = sources
 CONFIG_SUB_REV = 3d5db9ebe860
 BINUTILS_VER = 2.27
 GCC_VER = 6.2.0
-MUSL_VER = 1.1.15
+MUSL_VER = 1.1.16
 GMP_VER = 6.1.1
 MPC_VER = 1.0.3
 MPFR_VER = 3.1.4

hashes/musl-1.1.16.tar.gz.sha1

@@ -0,0 +1 @@
+5c2204b31b1ee08a01d4d3e34c6e46f6256bdac8  musl-1.1.16.tar.gz