gsl-shell.git - gsl-shell

diff --git a/agg-plot/window_registry.cpp b/agg-plot/window_registry.cpp
index 0ebfa499..c09539bc 100644
--- a/agg-plot/window_registry.cpp
+++ b/agg-plot/window_registry.cpp

@@ -18,14 +18,11 @@ window_registry_prepare (lua_State *L)

int

window_index_add(lua_State *L, int index)

{

- int n;

-

- if (index < 0)

- index = lua_gettop (L) - (index+1);

+ INDEX_SET_ABS(L, index);

lua_getfield (L, LUA_REGISTRYINDEX, registry_tname);

- n = lua_objlen (L, -1);

+ int n = lua_objlen (L, -1);

lua_pushvalue (L, index);

lua_rawseti (L, -2, n+1);