Don't build docs if 'dot' is not found Signed-off-by: Paulo R. Zanoni <pzanoni@mandriva.com>
Don't build docs if 'dot' is not found Signed-off-by: Paulo R. Zanoni <pzanoni@mandriva.com>

topcat/xcb-win32,topcat/xcb-win32,stapelberg/libxcb,stapelberg/libxcb,topcat/xcb-win32,stapelberg/libxcb,topcat/xcb-win32,topcat/xcb-win32