[gnome-builder] fix more a g_return*fail call

[Yosef Or Boczko <yoseforb src gnome org>]

commit fc30d42ec69d77fe7d023f4c8c9eb12325756181
Author: Yosef Or Boczko <yoseforb src gnome org>
Date:   Sun Oct 12 01:22:54 2014 +0300

    fix more a g_return*fail call

 src/editor/gb-editor-tab.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/src/editor/gb-editor-tab.c b/src/editor/gb-editor-tab.c
index a0cafcf..4c709be 100644
--- a/src/editor/gb-editor-tab.c
+++ b/src/editor/gb-editor-tab.c
@@ -74,7 +74,7 @@ gb_editor_tab_set_enable_word_completion (GbEditorTab *tab,
 {
   GtkSourceCompletion *completion;
 
-  g_return_val_if_fail (GB_IS_EDITOR_TAB (tab), FALSE);
+  g_return_if_fail (GB_IS_EDITOR_TAB (tab));
 
   completion = gtk_source_view_get_completion (GTK_SOURCE_VIEW (tab->priv->source_view));