build: Check correct DocBook version

The documentation uses DocBook 4.5 DOCTYPE but the configure script
checked for 4.1.2.

diff --git a/configure.ac b/configure.ac
index a738ad662cc37443e1ff0fa3a444d1355abe2be1..8be142df3ae01e76a258be04cfbee2abd472f2ec 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -334,8 +334,8 @@ if test "$enable_man" = "yes"; then
        fi
 
        dnl check for DocBook DTD and stylesheets in the local catalog.
-       JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.1.2//EN],
-               [DocBook XML DTD V4.1.2], [], enable_man=no)
+       JH_CHECK_XML_CATALOG([-//OASIS//DTD DocBook XML V4.5//EN],
+               [DocBook XML DTD V4.5], [], enable_man=no)
        JH_CHECK_XML_CATALOG([http://docbook.sourceforge.net/release/xsl/current/manpages/docbook.xsl],
                [DocBook XSL Stylesheets >= 1.70.1], [], enable_man=no)
 fi