patch path to dhclient-script. Remove empty %postun

dhcp-patchs.patch

@@ -0,0 +1,11 @@
+--- includes/dhcpd.h.orig       2018-10-09 23:57:26.022826271 +0300
++++ includes/dhcpd.h    2018-10-09 23:57:49.108813082 +0300
+@@ -1568,7 +1568,7 @@
+ #endif
+ 
+ #ifndef _PATH_DHCLIENT_SCRIPT
+-#define _PATH_DHCLIENT_SCRIPT  "/sbin/dhclient-script"
++#define _PATH_DHCLIENT_SCRIPT  "/usr/sbin/dhclient-script"
+ #endif
+ 
+ #ifndef _PATH_DHCLIENT_PID 

dhcp.spec

@@ -6,7 +6,7 @@
 Name:		dhcp
 Epoch:		3
 Version:	%{major_version}%{patch_version}
-Release:	2
+Release:	3
 Summary:	The ISC DHCP (Dynamic Host Configuration Protocol) server/relay agent/client
 License:	Distributable
 Group:		System/Servers
@@ -36,6 +36,7 @@ Source100:	ROSA-NEWS
 Patch17:	dhcp-4.2.0-add_timeout_when_NULL.patch
 Patch18:	dhcp-4.3.0-64_bit_lease_parse.patch
 Patch19:	Arch-0002-iproute2.patch
+Patch20:	dhcp-patchs.patch
 
 # Starting from dhcp 4.x built in Bind libs are used
 #BuildRequires:	bind-devel
@@ -166,6 +167,7 @@ pushd bind ; tar -xvf bind.tar.gz >/dev/null ; popd
 %patch18 -p1 -b .64-bit_lease_parse
 # change ipconfig to modern ip (from Arch)
 %patch19 -p1
+%patch20 -p0
 
 %build
 %serverbuild_hardened
@@ -303,9 +305,6 @@ EOF
 [ ! -d %{var_dhclient}/ ] && mkdir -p %{var_dhclient}/
 %tmpfiles_create dhclient.conf
 
-%postun client
-:
-
 %postun server
 # Migrate from dhcpd user created by scripts
 # to a dynamic user by systemd-sysusers