[gtksourceview] Small gsequence optimization

[Paolo Borelli <pborelli src gnome org>]

commit be43c15677f112759a44a5c5f96860ccb6d9db1e
Author: Paolo Borelli <pborelli gnome org>
Date:   Wed Oct 21 15:24:50 2015 +0200

    Small gsequence optimization
    
    Use the new is_empty method that was added to glib

 configure.ac                           |    2 +-
 gtksourceview/gtksourcemarkssequence.c |    2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 3a7e250..e823658 100644
--- a/configure.ac
+++ b/configure.ac
@@ -37,7 +37,7 @@ GSV_LT_VERSION="$GSV_LT_CURRENT:$GSV_LT_REVISION:$GSV_LT_AGE"
 AC_SUBST(GSV_LT_VERSION)
 
 # Dependencies
-glib_req=2.44
+glib_req=2.47
 gtk_req=3.19.0
 libxml_req=2.6.0
 gladeui_req=3.9
diff --git a/gtksourceview/gtksourcemarkssequence.c b/gtksourceview/gtksourcemarkssequence.c
index bfbd35f..3b4d7dd 100644
--- a/gtksourceview/gtksourcemarkssequence.c
+++ b/gtksourceview/gtksourcemarkssequence.c
@@ -260,7 +260,7 @@ _gtk_source_marks_sequence_is_empty (GtkSourceMarksSequence *seq)
 {
        g_return_val_if_fail (GTK_SOURCE_IS_MARKS_SEQUENCE (seq), TRUE);
 
-       return g_sequence_get_length (seq->priv->seq) == 0;
+       return g_sequence_is_empty (seq->priv->seq);
 }
 
 void