little improvements

plugin.lua

@@ -256,10 +256,3 @@ function set_rds_udg(xy, groups) end
 ---@param xy boolean
 ---@param groups table Table of tables, this should be up to 8 tables containing 4 integers
 function set_rds_udg2(xy, groups) end
-
----Registers an ODA to be used in the O of the group sequence
----@param group integer
----@param group_version boolean
----@param id integer
----@param id_data integer
-function register_oda(group, group_version, id, id_data) end

src/lua_rds.c

@@ -540,17 +540,13 @@ void run_lua(char *str, char *cmd_output) {
                 const char *res = lua_tostring(L, -1);
                 strcpy(cmd_output, res);
             }
-            lua_pop(L, 1);
         } else {
             fprintf(stderr, "Lua error: %s\n", lua_tostring(L, -1));
-            lua_pop(L, 1);
         }
     } else if (lua_isstring(L, -1)) {
         if (cmd_output) strcpy(cmd_output, lua_tostring(L, -1));
-        lua_pop(L, 1);
-    } else {
-        lua_pop(L, 1);
     }
+    lua_pop(L, 1);
 }
 
 void lua_group(RDSGroup* group) {