Patch: FYI: libffi README fix

[Tom Tromey]

I'm checking this in.

This fixes PR 31491, which is about a bug in an example program in
libffi's README.

Tom

Index: ChangeLog
from  Tom Tromey  <tromey@redhat.com>

	PR libffi/31491:
	* README: Fixed bug in example.

Index: README
===================================================================
--- README	(revision 123217)
+++ README	(working copy)
@@ -212,7 +212,7 @@
       int rc;
       
       /* Initialize the argument info vectors */    
-      args[0] = &ffi_type_uint;
+      args[0] = &ffi_type_pointer;
       values[0] = &s;
       
       /* Initialize the cif */