[lua] Cleaned lua-conf.in by using `pkgdesc` to get the version

lua/lua/lua-conf.in

@@ -2,7 +2,7 @@
 # This copyright note is auto-generated by ./scripts/Create-CopyPatch.
 #
 # Filename: package/.../lua/lua-conf.in
-# Copyright (C) 2006 The OpenSDE Project
+# Copyright (C) 2006 - 2008 The OpenSDE Project
 # Copyright (C) 2006 The T2 SDE Project
 #
 # More information can be found in the files COPYING and README.
@@ -13,13 +13,10 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
-lua_pkg_confdir=$base/package/*/lua
-lua_pkg_ver=`sed -n 's,^\[V\] \(.*\),\1,p' ${lua_pkg_confdir}/lua.desc`
-
 myCFLAGS="-DLUA_USE_POSIX -DLUA_USE_DLOPEN -DLUA_USE_READLINE"
 myLIBS="-lm -ldl -lreadline -lhistory -lncurses"
 
-luaver="`echo $lua_pkg_ver | sed 's,-.*,,'`"
+luaver=$( pkgdesc ver lua )
 pkglibdir=$libdir/lua/$luaver
 pkgdatadir=$datadir/lua/$luaver