[file-roller] added --force flag

[Paolo Bacchilega <paobac src gnome org>]

commit 8d06107ca9227787aecdf8d55bd3bf750ac2bde8
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Nov 7 19:35:05 2009 +0100

    added --force flag

 src/fr-archive.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/fr-archive.c b/src/fr-archive.c
index 11217f1..62a569e 100644
--- a/src/fr-archive.c
+++ b/src/fr-archive.c
@@ -2150,7 +2150,7 @@ move_files_to_dir (FrArchive  *archive,
 		destname = g_build_filename (dest_dir, basename, NULL);
 		if (g_file_test (destname, G_FILE_TEST_IS_DIR)) {
 			fr_process_begin_command (archive->process, "cp");
-			fr_process_add_arg (archive->process, "-R");
+			fr_process_add_arg (archive->process, "-Rf");
 			if (filename[0] == '/')
 				fr_process_add_arg_concat (archive->process, source_dir, filename, NULL);
 			else