BR: xmltoman, move autogen to %build

avahi.spec

@@ -58,6 +58,7 @@ BuildRequires:    gdbm-devel
 BuildRequires:    pygtk2
 BuildRequires:    intltool
 BuildRequires:    perl-XML-Parser
+BuildRequires:    xmltoman
 %if %{WITH_MONO}
 BuildRequires:    mono-devel
 BuildRequires:    monodoc-devel
@@ -348,11 +349,11 @@ Requires:         %{name}-libs%{?_isa} = %{version}-%{release}
 %patch100 -p1 -b .mono-libdir
 rm -fv docs/INSTALL
 
+%build
 # patch100 requires autogen
 rm -fv missing
 NOCONFIGURE=1 ./autogen.sh
 
-%build
 %configure \
         --with-distro=fedora \
         --disable-monodoc \