[gnome-builder] remove gb_str_equal0 to use ide_str_equal0

[Sébastien Lafargue <slafargue src gnome org>]

commit d3831f47018205bb2e4d4ab14f704a7bf491a276
Author: Sebastien Lafargue <slafargue gnome org>
Date:   Fri Oct 2 12:15:06 2015 +0200

    remove gb_str_equal0 to use ide_str_equal0

 src/preferences/gb-preferences-page.c |    2 +-
 src/util/gb-string.h                  |    3 ---
 2 files changed, 1 insertions(+), 4 deletions(-)
---
diff --git a/src/preferences/gb-preferences-page.c b/src/preferences/gb-preferences-page.c
index ce53e5c..3f7314b 100644
--- a/src/preferences/gb-preferences-page.c
+++ b/src/preferences/gb-preferences-page.c
@@ -166,7 +166,7 @@ gb_preferences_page_set_title (GbPreferencesPage *page,
 
   g_return_if_fail (GB_IS_PREFERENCES_PAGE (page));
 
-  if (!gb_str_equal0 (title, priv->title))
+  if (!ide_str_equal0 (title, priv->title))
     {
       g_free (priv->title);
       priv->title = g_strdup (title);
diff --git a/src/util/gb-string.h b/src/util/gb-string.h
index bf8dbc3..f8336b7 100644
--- a/src/util/gb-string.h
+++ b/src/util/gb-string.h
@@ -23,9 +23,6 @@
 
 G_BEGIN_DECLS
 
-#define gb_str_equal0(s1,s2) \
-  (((s1) == (s2)) || ((s1) && (s2) && g_str_equal(s1,s2)))
-
 typedef enum
 {
   GB_HIGHLIGHT_UNDERLINE,