[devhelp/wip/swilmet/fix-warnings] Book: all enum values in switch

[Sébastien Wilmet <swilmet src gnome org>]

commit 7f9d3ec4d9c9cde79af11700d1b517fc86219aa4
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun Nov 27 12:29:43 2016 +0100

    Book: all enum values in switch

 src/dh-book.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
---
diff --git a/src/dh-book.c b/src/dh-book.c
index 553a22b..81fa071 100644
--- a/src/dh-book.c
+++ b/src/dh-book.c
@@ -328,6 +328,7 @@ book_monitor_event_timeout_cb (gpointer data)
                 g_signal_emit (book, signals[BOOK_UPDATED], 0);
                 g_object_unref (book);
                 break;
+        case BOOK_MONITOR_EVENT_NONE:
         default:
                 break;
         }