[file-roller] use the zip format to create cbz files

[Paolo Bacchilega <paobac src gnome org>]

commit a81a72af5f981b23e48b86251c72ea70531fce94
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sat Dec 19 10:38:41 2009 +0100

    use the zip format to create cbz files

 src/fr-command-7z.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)
---
diff --git a/src/fr-command-7z.c b/src/fr-command-7z.c
index 46effb7..1990cd7 100644
--- a/src/fr-command-7z.c
+++ b/src/fr-command-7z.c
@@ -324,7 +324,9 @@ fr_command_7z_add (FrCommand     *comm,
 		fr_process_add_arg_concat (comm->process, "-w", base_dir, NULL);
 	}
 
-	if (is_mime_type (comm->mime_type, "application/zip")) {
+	if (is_mime_type (comm->mime_type, "application/zip")
+	    || is_mime_type (comm->mime_type, "application/x-cbz"))
+	{
 		fr_process_add_arg (comm->process, "-tzip");
 		fr_process_add_arg (comm->process, "-mem=AES128");
 	}