Include kpathsea/version.h when available. Fixes a build failure with TeX Live
2010.

Index: cjk-4.8.2/utils/hbf2gf/configure.ac
===================================================================
--- cjk-4.8.2.orig/utils/hbf2gf/configure.ac
+++ cjk-4.8.2/utils/hbf2gf/configure.ac
@@ -79,6 +79,7 @@ if test -n "$kpathsea_include" -o -n "$k
 
   AC_CHECK_HEADER(kpathsea/c-auto.h, ,[
                   AC_MSG_ERROR([Can't find kpathsea include files! Use --with-kpathsea-include option.])])
+  AC_CHECK_HEADERS([kpathsea/version.h])
 else
   CPPFLAGS="$CPPFLAGS -I$srcdir"
 fi
Index: cjk-4.8.2/utils/hbf2gf/hbf2gf.w
===================================================================
--- cjk-4.8.2.orig/utils/hbf2gf/hbf2gf.w
+++ cjk-4.8.2/utils/hbf2gf/hbf2gf.w
@@ -2500,12 +2500,16 @@ be used instead.
 @
 @<Global variables@>=
 #if defined(HAVE_LIBKPATHSEA)
+#if defined(HAVE_KPATHSEA_VERSION_H)
+#include <kpathsea/version.h>
+#else
 #ifdef KPSEDLL
 /* this is kpathsea 3.3 and newer */
 extern KPSEDLL char *kpathsea_version_string;
 #else
 extern DllImport char *kpathsea_version_string;
 #endif
+#endif
 #elif defined(HAVE_EMTEXDIR)
 char emtex_version_string[] = "emTeXdir";
 #elif !defined(HAVE_MIKTEX)