Support building against Lua 5.4 by adjusting to the 3-arg form of

Support building against Lua 5.4 by adjusting to the 3-arg form of
lua_resume().

* modules/lua/config.m4 (CHECK_LUA): Check for lua5.4 paths.

* modules/lua/mod_lua.c (lua_output_filter_handle,
  lua_input_filter_handle): Check that exactly one item is on the
  stack as indicated by lua_resume().

Submitted by: Lubos Uhliarik <luhliari redhat.com>, jorton
PR: 64591
Github: closes #130, closes #133, closes #134

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1880678 13f79535-47bb-0310-9956-ffa450edef68