grub/grub-core/gnulib-fix-null-deref.diff

=== modified file 'grub-core/gnulib/argp-parse.c'
--- grub-core/gnulib/argp-parse.c	2010-04-02 22:45:01 +0000
+++ grub-core/gnulib/argp-parse.c	2011-04-10 13:25:52 +0000
@@ -935,7 +935,7 @@
 void *
 __argp_input (const struct argp *argp, const struct argp_state *state)
 {
-  if (state)
+  if (state && state->pstate)
     {
       struct group *group;
       struct parser *parser = state->pstate;