Origin: vendor
Subject: do not free a static string

--- xaos.orig/src/util/png.c
+++ xaos/src/util/png.c
@@ -192,6 +192,7 @@
 #endif
     }
     png_write_end(png_ptr, info_ptr);
+    info_ptr->text = NULL; /* Do not try to free a static string */
     png_destroy_write_struct(&png_ptr, &info_ptr);
     fclose(file);
     return NULL;