curses: assert get_wch return value is okay

This prevents the compiler from reporting a possible uninitialized use
of maybe_keycode in function curses_refresh.

Cc: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 1563451264-46176-1-git-send-email-pbonzini@redhat.com

[ kraxel: whitespace fixup ]

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/ui/curses.c b/ui/curses.c
index a6e260eb96..ec281125ac 100644
--- a/ui/curses.c
+++ b/ui/curses.c
@@ -225,6 +225,8 @@ static wint_t console_getch(enum maybe_keycode *maybe_keycode)
     case ERR:
         ret = -1;
         break;
+    default:
+        abort();
     }
     return ret;
 }