wrong return type causing gcc to fail char vs. *char

[mmeiste]

RCSwitch.cpp.diff 34a35 > char retv = '\0'; 196c197 < return '\0';

> return &retv; 232c233 < return '\0';

> return &retv; 241c242 < return '\0';

> return &retv; 269c270 < return '\0';

> return &retv;