[zenity] Replaced string 'could' to start with an Uppercase.

[Arx Henrique Pereira da Cruz <arxcruz src gnome org>]

commit 9beba8872dd01d6c9347717d9ce156c059e85a0d
Author: Marc Ruiz - radykal - <radykal radykal com>
Date:   Mon Nov 12 21:57:07 2012 +0100

    Replaced string 'could' to start with an Uppercase.
    
    BUG ID: 687180

 src/notification.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/notification.c b/src/notification.c
index 3f4c454..0a36e09 100644
--- a/src/notification.c
+++ b/src/notification.c
@@ -92,7 +92,7 @@ zenity_notification_handle_stdin (GIOChannel *channel,
       zenity_util_strip_newline (string->str);
       colon = strchr(string->str, ':');
       if (colon == NULL) {
-	g_printerr (_("could not parse command from stdin\n"));
+	g_printerr (_("Could not parse command from stdin\n"));
 	continue;
       }
       /* split off the command and value */