[orca] Let Gtk calculate the length of strings when adding text to the clipboard

[Joanmarie Diggs <joanied src gnome org>]

commit b933fc103d9abfb27426adfffd51cf19a769e03c
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Wed Feb 17 09:36:05 2016 -0500

    Let Gtk calculate the length of strings when adding text to the clipboard

 src/orca/script_utilities.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/script_utilities.py b/src/orca/script_utilities.py
index 2d553b4..21ddc83 100644
--- a/src/orca/script_utilities.py
+++ b/src/orca/script_utilities.py
@@ -3582,7 +3582,7 @@ class Utilities:
 
     def setClipboardText(self, text):
         clipboard = Gtk.Clipboard.get(Gdk.Atom.intern("CLIPBOARD", False))
-        clipboard.set_text(text, len(text))
+        clipboard.set_text(text, -1)
 
     def appendTextToClipboard(self, text):
         clipboard = Gtk.Clipboard.get(Gdk.Atom.intern("CLIPBOARD", False))
@@ -3591,7 +3591,7 @@ class Utilities:
     def _appendTextToClipboardCallback(self, clipboard, text, newText):
         text = text.rstrip("\n")
         text = "%s\n%s" % (text, newText)
-        clipboard.set_text(text, len(text))
+        clipboard.set_text(text, -1)
 
     def lastInputEventWasCommand(self):
         keyString, mods = self.lastKeyAndModifiers()