bind: update to 9.14.3

Fixed CVE-2019-6471

ChangeLog: https://ftp.isc.org/isc/bind9/9.14.3/CHANGES

Signed-off-by: Deng Qingfang <dengqf6@mail2.sysu.edu.cn>

net/bind/patches/002-continue-if-yield-instruction-is-missing.patch

@@ -1,36 +0,0 @@
---- a/config.h.in
-+++ b/config.h.in
-@@ -45,6 +45,9 @@
- /* Define to 1 if you have the `arc4random_uniform' function. */
- #undef HAVE_ARC4RANDOM_UNIFORM
- 
-+/* Define if the ARM yield instruction is available */
-+#undef HAVE_ARM_YIELD
-+
- /* Define to 1 if the compiler supports __builtin_clz. */
- #undef HAVE_BUILTIN_CLZ
- 
---- a/configure.ac
-+++ b/configure.ac
-@@ -421,8 +421,8 @@ AS_CASE([$host],
- 	       [[]],
- 	       [[__asm__ __volatile__ ("yield")]]
- 	     )],
--	    [AC_MSG_RESULT([yes])],
--	    [AC_MSG_ERROR([no, try adding -march=native or -march=armv7-a to CFLAGS (see PLATFORMS.md for more information)])])])
-+	    [AC_MSG_RESULT([yes]) AC_DEFINE([HAVE_ARM_YIELD],[1],[Define if the ARM yield instruction is available])],
-+	    [AC_MSG_RESULT([no])])])
- 
- AC_CHECK_FUNCS([sysctlbyname])
- 
---- a/lib/isc/rwlock.c
-+++ b/lib/isc/rwlock.c
-@@ -54,7 +54,7 @@
- # define isc_rwlock_pause() __asm__ __volatile__ ("rep; nop")
- #elif defined(__ia64__)
- # define isc_rwlock_pause() __asm__ __volatile__ ("hint @pause")
--#elif defined(__arm__)
-+#elif defined(__arm__) && HAVE_ARM_YIELD
- # define isc_rwlock_pause() __asm__ __volatile__ ("yield")
- #elif defined(sun) && (defined(__sparc) || defined(__sparc__))
- # define isc_rwlock_pause() smt_pause()