#107 samples/wx/Process: Recieved negative unicode: -1

[Henk-Jan van Tuyl]

On Ubuntu, Process gives the message:
Recieved negative unicode: -1
for each command given. The message appears in the shell from which Process was started.

Versions:

Item	Version
OS	Ubuntu
GHC	7.10.3
wxWidgets	3.0.2
wxHaskell	0.92.2.0 (currently in Github repository)
GCC	4.8.4