Don't try to wake up wx thread when not necessary

That kills performance on at least windows when a the load goes up and
a lot of commands is sent to the driver.

1 files changed, 1 insertions, 1 deletions

diff --git a/lib/wx/c_src/wxe_helpers.h b/lib/wx/c_src/wxe_helpers.h
index 70ffccdc13..a6c00e5aca 100644
--- a/lib/wx/c_src/wxe_helpers.h
+++ b/lib/wx/c_src/wxe_helpers.h
@@ -63,7 +63,7 @@ class wxeFifo {
     wxeFifo(unsigned int size);
     virtual ~wxeFifo();
 
-    void Add(int fc, char * cbuf,int buflen, wxe_data *);
+    int Add(int fc, char * cbuf,int buflen, wxe_data *);
     void Append(wxeCommand *Other);
 
     wxeCommand * Get();