- Add sovers.diff to counter missing symbol errors

OBS-URL: https://build.opensuse.org/package/show/security:netfilter/ipset?expand=0&rev=39

ipset.spec

@@ -30,6 +30,7 @@ Url:            http://ipset.netfilter.org/
 #Git-Web:	http://git.netfilter.org/
 Source:         ftp://ftp.netfilter.org/pub/ipset/%name-%version.tar.bz2
 Source3:        %name-preamble
+Patch1:         sovers.diff
 
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildRequires:  autoconf
@@ -102,15 +103,11 @@ addresses with MAC addresses in a way, which ensures lightning speed
 when matching an entry against a set.
 
 %prep
-%if 0%{?__xz:1}
 %setup -q
-%else
-tar --use=xz -xf "%{S:0}";
-%setup -DTq
-%endif
-autoreconf -fi
+%patch -P 1 -p1
 
 %build
+autoreconf -fi
 %if 0%{?with_kmp}
 for flavor in %flavors_to_build; do
 	cp -a . "../%name-$flavor-%version";