Duplicate tests that are run twice as both C and C++ tests to fix parallel make: keyword_rename

Examples/test-suite/lua/keyword_rename_c_runme.lua

@@ -0,0 +1,12 @@
+require("import")	-- the import fn
+import("keyword_rename_c")	-- import lib into global
+kn=keyword_rename_c--alias
+
+-- catching undefined variables
+local env = _ENV -- Lua 5.2
+if not env then env = getfenv () end -- Lua 5.1
+setmetatable(env, {__index=function (t,i) error("undefined global variable `"..i.."'",2) end})
+
+-- Check renaming of Lua keywords
+assert(kn.c_end(5) == 5)
+assert(kn.c_nil(7) == 7)