Update libcares to version 1.12, see CVE-2016-5180

Change-Id: Id6d2f42e230af074626ce8d96e3186f38dafc0d6
diff --git a/package/libcares/libcares.mk b/package/libcares/libcares.mk
index fe5daa9..1c684a9 100644
--- a/package/libcares/libcares.mk
+++ b/package/libcares/libcares.mk
@@ -4,7 +4,7 @@
 #
 #############################################################
 
-LIBCARES_VERSION = 1.10.0
+LIBCARES_VERSION = 1.12.0
 LIBCARES_SOURCE = c-ares-$(LIBCARES_VERSION).tar.gz
 LIBCARES_SITE = http://c-ares.haxx.se/download/
 LIBCARES_INSTALL_STAGING = YES