Force disable documentation generation

There will be no change in the mockbuild, just
if we happen to have fop, xmlt and sgml installed
while using fedpkg local.

libXaw.spec

@@ -3,7 +3,7 @@
 Summary: X Athena Widget Set
 Name: libXaw
 Version: 1.0.13
-Release: 3%{?dist}
+Release: 4%{?dist}
 License: MIT
 URL: http://www.x.org
 Group: System Environment/Libraries
@@ -37,7 +37,8 @@ export CFLAGS="$RPM_OPT_FLAGS -Os"
 %configure \
 	    --docdir=%{_pkgdocdir} \
 	    --disable-xaw8 --disable-static \
-	    --disable-xaw6
+	    --disable-xaw6 \
+	    --without-fop --without-xmlto
 make %{?_smp_mflags}
 
 %install
@@ -78,6 +79,9 @@ rm -rf $RPM_BUILD_ROOT
 #{_pkgdocdir}/%{name}.txt
 
 %changelog
+* Fri Mar 25 2016 Benjamin Tissoires <benjamin.tissoires@redhat.com> 1.0.13-4
+- Force disable documentation generation
+
 * Thu Feb 04 2016 Fedora Release Engineering <releng@fedoraproject.org> - 1.0.13-3
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_24_Mass_Rebuild