gui: Treat dialog exit code 255 just like 1.

Dialog exits with code 255 if escape was pressed. This change makes the
escape key more useful in the main menu invoked via _browse() since it
no longer terminates the program but results to show the parent menu.

diff --git a/gui b/gui
index 42975647e6900bb67c900c8108cc9925e4022739..e9eb1a86e8fe1ec66c80ee8fb394fec7425cc3d4 100644 (file)
--- a/gui
+++ b/gui
@@ -30,7 +30,7 @@ _set_dialog_ret()
 
        case "$ec" in
        0) ret=$GSU_SUCCESS;;
-       1) ret=1;; # cancelled
+       1|255) ret=1;; # cancelled
        *)
                result="dialog exit code $ec"
                ret=-$E_GSU_DIALOG