Kill some warnings from g++ 2.95.3 on IBM AIX, by not assigning -1 to a char variable.
Kill some warnings from g++ 2.95.3 on IBM AIX, by not assigning -1 to a char variable.

Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D,Alexpux/Coin3D