[orca/new-settings] Fix issue with importing file when there is no keybindings or pronunciations in it

[Juanje Ojeda Croissier <jojeda src gnome org>]

commit 981c071c9774c5fe93d4efa8020c249bf32b9019
Author: Juanje Ojeda <jojeda emergya es>
Date:   Tue Nov 2 03:24:45 2010 +0100

    Fix issue with importing file when there is no keybindings or pronunciations in it

 src/orca/settings_manager.py |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
---
diff --git a/src/orca/settings_manager.py b/src/orca/settings_manager.py
index adf9fbb..ff1459e 100644
--- a/src/orca/settings_manager.py
+++ b/src/orca/settings_manager.py
@@ -406,8 +406,8 @@ class SettingsManager():
             if key not in ['pronunciations', 'keybindings']:
                 general[key] = value
 
-        pronunciations = prefs['pronunciations']
-        keybindings = prefs['keybindings']
+        pronunciations = prefs.get('pronunciations', {})
+        keybindings = prefs.get('keybindings', {})
 
         self.saveSettings(general, pronunciations, keybindings)
         return True