isc-dhcp: seeing crashes when attempting to update dynamic dns

Signed-off-by: Philip Prindeville <philipp@redfish-solutions.com>

net/isc-dhcp/Makefile

@@ -10,7 +10,7 @@ include $(TOPDIR)/rules.mk
 PKG_NAME:=isc-dhcp
 UPSTREAM_NAME:=dhcp
 PKG_VERSION:=4.4.1
-PKG_RELEASE:=3
+PKG_RELEASE:=4
 
 PKG_LICENSE:=BSD-3-Clause
 PKG_LICENSE_FILES:=LICENSE

net/isc-dhcp/patches/520-bind-no-catgets.patch

@@ -0,0 +1,10 @@
+--- a/bind/Makefile.in
++++ b/bind/Makefile.in
+@@ -57,6 +57,7 @@
+ 		rm -rf ${cleandirs} ${cleanfiles} ;                     \
+ 		(cd ${bindsrcdir} &&                                    \
+ 		 export CC=${CROSS_CC} &&                               \
++		 ac_cv_func_catgets=no					\
+                 ./configure ${bindconfig} --disable-atomic             \
+ 		 --disable-kqueue --disable-epoll --disable-kqueue      \
+                 --disable-epoll --disable-devpoll --without-openssl    \