cbfstool: Fix shadowed global index

Change-Id: Ic8bccea1f2ddef874d8e440fa4fa05de1d4f9550
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: http://review.coreboot.org/10210
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

util/cbfstool/partitioned_file.c

@@ -46,8 +46,8 @@ static unsigned count_selected_fmap_entries(const struct fmap *fmap,
 	assert(callback);
 
 	unsigned count = 0;
-	for (unsigned index = 0; index < fmap->nareas; ++index) {
-		if (callback(fmap->areas + index, arg))
+	for (unsigned i = 0; i < fmap->nareas; ++i) {
+		if (callback(fmap->areas + i, arg))
 			++count;
 	}
 	return count;