[gnome-software] Fixup commandline option

[Matthias Clasen <matthiasc src gnome org>]

commit 1bf47162879dc7ee59c5ede5a9e3762e0692b98a
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Aug 20 14:54:07 2013 -0400

    Fixup commandline option
    
    Since the --mode option takes an argument, lets give the argument
    a description in the GOptionEntry. That makes it show up nicely
    in the --help output.

 src/gs-main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/gs-main.c b/src/gs-main.c
index 25b6745..bfc4b5e 100644
--- a/src/gs-main.c
+++ b/src/gs-main.c
@@ -1719,7 +1719,7 @@ main (int argc, char **argv)
 
        const GOptionEntry options[] = {
                { "mode", '\0', 0, G_OPTION_ARG_STRING, &mode,
-                 _("Start up mode, either 'updates', 'installed' or 'new'"), NULL },
+                 _("Start up mode, either 'updates', 'installed' or 'new'"), _("MODE") },
                { NULL}
        };