File 06_lensfun_destroy_cleanup.patch of Package ufraw

Description: Fix cleanup of lensfun
Bug-Debian: https://bugs.debian.org/898297
Author: Helmut Grohne <helmut@subdivi.de>, Lauro Moura <lauromoura@gmail.com>
Reviewed-by: Hubert Chathi <uhoreg@debian.org>
Last-Update: 2018-12-02

--- ufraw-0.22.orig/ufraw_ufraw.c
+++ ufraw-0.22/ufraw_ufraw.c
@@ -767,8 +767,10 @@ void ufraw_close(ufraw_data *uf)
     g_free(uf->displayProfile);
     g_free(uf->RawHistogram);
 #ifdef HAVE_LENSFUN
-    lf_modifier_destroy(uf->TCAmodifier);
-    lf_modifier_destroy(uf->modifier);
+    if (uf->TCAmodifier != NULL)
+        lf_modifier_destroy(uf->TCAmodifier);
+    if (uf->modifier != NULL)
+        lf_modifier_destroy(uf->modifier);
 #endif
     ufobject_delete(uf->conf->ufobject);
     g_free(uf->conf);