[evolution] Fix a compiler warning in main.c.

[Matthew Barnes <mbarnes src gnome org>]

commit a215775e891ed281a1cf24f45e5ddeefe312cb88
Author: Matthew Barnes <mbarnes redhat com>
Date:   Mon Mar 29 19:12:55 2010 -0400

    Fix a compiler warning in main.c.

 shell/main.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/shell/main.c b/shell/main.c
index 469df2d..188fdfc 100644
--- a/shell/main.c
+++ b/shell/main.c
@@ -229,7 +229,7 @@ idle_cb (gchar **uris)
 			gtk_main_quit ();
 	} else {
 		if (express_mode && requested_view == NULL)
-			requested_view = "mail";
+			requested_view = (gchar *) "mail";
 		e_shell_create_shell_window (shell, requested_view);
 	}