Adapt for running from escript (fix).

src/esqlite3_nif.erl

@@ -110,6 +110,18 @@ get_priv_dir() ->
             Dir
     end.
 
+%% @private
+is_escript() ->
+    case erlang:function_exported(escript, script_name, 0) of
+        true ->
+            try
+                {true, filename:absname(escript:script_name())}
+            catch
+                _:_ -> false
+            end;
+        false -> false
+    end.
+
 %% @doc Open the specified sqlite3 database. 
 %%      It is possible to use sqlite's uri filenames to open files. 
 %%      See: [https://sqlite.org/uri.html] for more information.