[devhelp/wip/swilmet/misc-improvements: 4/18] book-manager: avoid double negation

[Sébastien Wilmet <swilmet src gnome org>]

commit 4b0e5829e9edbb1ea7f91015b96fc881ea93ee73
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun May 24 13:23:12 2015 +0200

    book-manager: avoid double negation
    
    "book_enabled" is clearer than "!book_disabled".
    
    https://bugzilla.gnome.org/show_bug.cgi?id=749797

 src/dh-book-manager.c |    9 ++++-----
 1 files changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/src/dh-book-manager.c b/src/dh-book-manager.c
index ccfb2c8..bef259e 100644
--- a/src/dh-book-manager.c
+++ b/src/dh-book-manager.c
@@ -657,7 +657,7 @@ book_manager_add_from_filepath (DhBookManager *book_manager,
 {
         DhBookManagerPrivate *priv;
         DhBook            *book;
-        gboolean           book_disabled;
+        gboolean           book_enabled;
 
         g_return_if_fail (book_manager);
         g_return_if_fail (book_path);
@@ -692,12 +692,11 @@ book_manager_add_from_filepath (DhBookManager *book_manager,
                                             (GCompareFunc)dh_book_cmp_by_title);
 
         /* Set the proper enabled/disabled state, depending on conf */
-        book_disabled = book_manager_is_book_disabled_in_conf (book_manager,
-                                                               book);
-        dh_book_set_enabled (book, !book_disabled);
+        book_enabled = !book_manager_is_book_disabled_in_conf (book_manager, book);
+        dh_book_set_enabled (book, book_enabled);
 
         /* Store language if enabled */
-        if (!book_disabled) {
+        if (book_enabled) {
                 book_manager_inc_language (book_manager,
                                            dh_book_get_language (book));
         }