[anjuta] sourceview: Don't show empty tooltips

[Johannes Schmid <jhs src gnome org>]

commit 4f81da4e26112643f4f439b75f78a84d8b496f7b
Author: Johannes Schmid <jhs gnome org>
Date:   Thu Nov 25 16:16:50 2010 +0100

    sourceview: Don't show empty tooltips

 plugins/sourceview/sourceview.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)
---
diff --git a/plugins/sourceview/sourceview.c b/plugins/sourceview/sourceview.c
index 459680c..509d5f9 100644
--- a/plugins/sourceview/sourceview.c
+++ b/plugins/sourceview/sourceview.c
@@ -144,7 +144,7 @@ on_marker_tooltip (GtkSourceMark* mark, gpointer data)
 	if (tooltip)
 		return g_strdup (tooltip);
 	else
-		return g_strdup ("");
+		return NULL;
 }
 
 static void