[orca] Fix regression from keyboard event refactor

[Joanmarie Diggs <joanied src gnome org>]

commit 0d2f8a66105443b73faac166255df5065261f3b2
Author: Joanmarie Diggs <jdiggs igalia com>
Date:   Tue Apr 12 09:05:35 2016 -0400

    Fix regression from keyboard event refactor

 src/orca/input_event.py |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)
---
diff --git a/src/orca/input_event.py b/src/orca/input_event.py
index 2dd47c6..f394948 100644
--- a/src/orca/input_event.py
+++ b/src/orca/input_event.py
@@ -608,6 +608,9 @@ class KeyboardEvent(InputEvent):
         if not self.isPressedKey():
             return self._should_consume, 'Consumed based on handler'
 
+        if orca_state.capturingKeys:
+            return False, 'Capturing keys'
+
         if self.isOrcaModifier():
             return True, 'Orca modifier'