[swig] fix memory leak in swig interface (#6923)

Co-authored-by: James Lamb <jaylamb20@gmail.com>

[swig] fix memory leak in swig interface (#6923)
Co-authored-by: James Lamb <jaylamb20@gmail.com>
a5477646 · Ralph Weires · GitHub · 1684419f · a5477646
Unverified Commit a5477646 authored Jun 20, 2025 by Ralph Weires Committed by GitHub Jun 20, 2025
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swig/lightgbmlib.i swig/lightgbmlib.i +3 -0

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--- a/swig/lightgbmlib.i
+++ b/swig/lightgbmlib.i
@@ -33,6 +33,9 @@
  $1 = jenv;
 %}

+%newobject LGBM_BoosterSaveModelToStringSWIG;
+%newobject LGBM_BoosterDumpModelSWIG;
+
 %inline %{
  char * LGBM_BoosterSaveModelToStringSWIG(BoosterHandle handle,
                                           int start_iteration,