Move _LUSH_VERSION global into luaopen_base alongside _VERSION

lbaselib.c

@@ -540,6 +540,7 @@ static const luaL_Reg base_funcs[] = {
   /* placeholders */
   {LUA_GNAME, NULL},
   {"_VERSION", NULL},
+  {"_LUSH_VERSION", NULL},
   {NULL, NULL}
 };
 
@@ -554,6 +555,9 @@ LUAMOD_API int luaopen_base (lua_State *L) {
   /* set global _VERSION */
   lua_pushliteral(L, LUA_VERSION);
   lua_setfield(L, -2, "_VERSION");
+  /* set global _LUSH_VERSION */
+  lua_pushliteral(L, LUSH_VERSION);
+  lua_setfield(L, -2, "_LUSH_VERSION");
   return 1;
 }
 

lua.c

@@ -834,8 +834,6 @@ static int pmain (lua_State *L) {
     lua_setfield(L, LUA_REGISTRYINDEX, "LUA_NOENV");
   }
   luai_openlibs(L);  /* open standard libraries */
-  lua_pushstring(L, LUSH_VERSION);
-  lua_setglobal(L, "_LUSH_VERSION");
   createargtable(L, argv, argc, script);  /* create table 'arg' */
   lua_gc(L, LUA_GCRESTART);  /* start GC... */
   lua_gc(L, LUA_GCGEN);  /* ...in generational mode */