build fixes for rpm

mrw-c++.spec.in

@@ -8,7 +8,7 @@ Source0: %{name}-%{version}.tar.gz
 BuildRequires: subversion, automake, autoconf, doxygen
 %if 0%{?fedora} != 20
 BuildRequires: graphviz
-%fi
+%endif
 BuildRoot: %{_tmppath}/%{name}-%{version}-%{release}-root
 %if 0%{?fedora} || 0%{?rhel} || 0%{?rhl} || 0%{?centos} || 0%{?centos_ver} || 0%{?centos_version}
 BuildRequires: pkgconfig, cppunit-devel, redhat-lsb