git-svn-id: https://svn.osgeo.org/grass/grass/trunk@44380 15284696-431f-4ddb-bdfa-cd5b030d7da7
@@ -310,6 +310,7 @@ void Rast_clear_history(struct History *hist)
if (hist->lines)
G_free(hist->lines);
+ hist->lines = NULL;
hist->nlines = 0;
}