luajit: improved conf file to add downloaded patch files

lua/luajit/luajit.conf

@@ -12,6 +12,18 @@
 # GNU General Public License can be found in the file COPYING.
 # --- SDE-COPYRIGHT-NOTE-END ---
 
+# saving our local patches and empty the patchfiles variable
+localpatches=$patchfiles
+patchfiles=
+
+# append official patches
+for x in `match_source_file -p 'patch'` ; do
+	var_append patchfiles " " "$x"
+done
+
+# append our local patches
+var_append patchfiles " " "$localpatches"
+
 # for binary distributions it is recommended to use the special target for an
 # amalgamated build which compiles the LuaJIT core as one huge C file and
 # allows GCC to generate faster and shorter code