0.17.1-2.rev2: remove/adjust spec file archaisms

Signed-off-by: Jan Pokorný <jpokorny@redhat.com>

libqb.spec

@@ -1,13 +1,12 @@
 Name:           libqb
 Version:        0.17.1
-Release:        2.rev1%{?dist}
+Release:        2.rev2%{?dist}
 Summary:        An IPC library for high performance servers
 
 Group:          System Environment/Libraries
 License:        LGPLv2+
 URL:            https://github.com/ClusterLabs/libqb
 Source0:        https://fedorahosted.org/releases/q/u/quarterback/%{name}-%{version}.tar.xz
-BuildRoot:      %{_tmppath}/%{name}-%{version}-%{release}-root-%(%{__id_u} -n)
 
 BuildRequires:  autoconf automake libtool doxygen procps check-devel
 
@@ -30,21 +29,17 @@ make %{?_smp_mflags}
 make -j1 check
 
 %install
-rm -rf $RPM_BUILD_ROOT
 make install DESTDIR=$RPM_BUILD_ROOT
 find $RPM_BUILD_ROOT -name '*.la' -exec rm -f {} ';'
 rm -rf $RPM_BUILD_ROOT/%{_docdir}/*
 
-%clean
-rm -rf $RPM_BUILD_ROOT
-
 %post -p /sbin/ldconfig
 
 %postun -p /sbin/ldconfig
 
 %files
 %defattr(-,root,root,-)
-%doc COPYING
+%license COPYING
 %{_sbindir}/qb-blackbox
 %{_libdir}/libqb.so.*
 
@@ -59,7 +54,8 @@ developing applications that use %{name}.
 
 %files          devel
 %defattr(-,root,root,-)
-%doc COPYING README.markdown
+%doc README.markdown
+%license COPYING
 %{_includedir}/qb/
 %{_libdir}/libqb.so
 %{_libdir}/pkgconfig/libqb.pc