dnsutils: fix path to /etc/dns.conf

packages/dnsutils/build.sh

@@ -2,7 +2,7 @@ TERMUX_PKG_HOMEPAGE=https://www.isc.org/downloads/bind/
 TERMUX_PKG_DESCRIPTION="Clients provided with BIND"
 TERMUX_PKG_LICENSE="MPL-2.0"
 TERMUX_PKG_VERSION=9.13.6
-TERMUX_PKG_REVISION=1
+TERMUX_PKG_REVISION=2
 TERMUX_PKG_SHA256=ae771f209fd807d6cb9db20e16ee96ec4ba44b2052cda8c4487ddacae124870e
 TERMUX_PKG_SRCURL="ftp://ftp.isc.org/isc/bind9/${TERMUX_PKG_VERSION}/bind-${TERMUX_PKG_VERSION}.tar.gz"
 TERMUX_PKG_DEPENDS="openssl, readline, resolv-conf"

packages/dnsutils/lib-irs-context.c.patch

@@ -0,0 +1,12 @@
+diff -uNr bind-9.13.6/lib/irs/context.c bind-9.13.6.mod/lib/irs/context.c
+--- bind-9.13.6/lib/irs/context.c	2019-02-07 01:44:09.000000000 +0200
++++ bind-9.13.6.mod/lib/irs/context.c	2019-03-02 02:39:12.188552664 +0200
+@@ -42,7 +42,7 @@
+ 
+ #ifndef DNS_CONF
+ /*% location of dns.conf */
+-#define DNS_CONF "/etc/dns.conf"
++#define DNS_CONF "@TERMUX_PREFIX@/etc/dns.conf"
+ #endif
+ 
+ static bool thread_key_initialized = false;