set sudoers_fp to nil after closing

diff --git a/parse.c b/parse.c
index e9ee56018c5a9d73515fc70f989394de1c3f07cc..3abe7fcdb0f083f1156f0e385118cc566a8a180b 100644 (file)
--- a/parse.c
+++ b/parse.c
@@ -130,6 +130,7 @@ int validate(check_cmnd)
      * Don't need to keep this open...
      */
     (void) fclose(sudoers_fp);
+    sudoers_fp = NULL;
 
     /* relinquish extra privs */
     set_perms(PERM_USER, 0);