FYI: HEAD: mark unused variable in preopen.c

[Ralf Wildenhues]

Applied to HEAD, to silence warnings about unused variables.

Cheers,
Ralf

        * libltdl/loaders/preopen.c (vm_close): `module' is unused.
        Coverity report CID 158 via Jeff Squyres.

Index: libltdl/loaders/preopen.c
===================================================================
RCS file: /cvsroot/libtool/libtool/libltdl/loaders/preopen.c,v
retrieving revision 1.15
diff -u -r1.15 preopen.c
--- libltdl/loaders/preopen.c   4 Jul 2007 23:05:05 -0000       1.15
+++ libltdl/loaders/preopen.c   30 Aug 2007 18:36:51 -0000
@@ -194,7 +194,7 @@
 /* A function called through the vtable when a particular module
    should be unloaded.  */
 static int
-vm_close (lt_user_data LT__UNUSED loader_data, lt_module module)
+vm_close (lt_user_data LT__UNUSED loader_data, lt_module LT__UNUSED module)
 {
   /* Just to silence gcc -Wall */
   module = 0;