adding patch -emptydomain

ypserv-2.26-emptydomain.patch

@@ -0,0 +1,12 @@
+diff -up ypserv-2.26/scripts/ypinit.in.emptydomain ypserv-2.26/scripts/ypinit.in
+--- ypserv-2.26/scripts/ypinit.in.emptydomain	2011-11-24 09:12:31.267702768 +0100
++++ ypserv-2.26/scripts/ypinit.in	2011-11-24 09:13:09.881700121 +0100
+@@ -156,7 +156,7 @@ then
+ 	exit 1
+ fi
+ 
+-if [ -z "$DOMAIN" ]
++if [ "${DOMAIN}x" = "x" ] || [ "${DOMAIN}" = "(none)" ]
+ then
+ 	echo "The local host's domain name hasn't been set.  Please set it."
+ 	exit 1

ypserv.spec

@@ -30,6 +30,7 @@ Patch10: ypserv-2.25-portmanfix.patch
 Patch11: ypserv-2.26-request.patch
 Patch12: ypserv-2.26-shadow.patch
 Patch13: ypserv-2.26-errmsg.patch
+Patch14: ypserv-2.26-emptydomain.patch
 BuildRequires: gdbm-devel
 BuildRequires: systemd-units
 
@@ -65,6 +66,7 @@ machines.
 %patch11 -p1 -b .request
 %patch12 -p1 -b .shadow
 %patch13 -p1 -b .errmsg
+%patch14 -p1 -b .emptydomain
 
 %build
 cp etc/README etc/README.etc