[Linux] Fix a crash
[Linux] Fix a crash

The RDC_QUERY function should never return a value other than DR_DONE,
or OS_Do_Device will add a stack allocated event to the pending list of
RDI_EVENT, which will result in a crash.

Pointillistic/rebol-lang,zsx/r3,zsx/r3,Pointillistic/rebol-lang,Pointillistic/rebol-lang,zsx/r3,Pointillistic/rebol-lang,zsx/r3