getkey() now returns immediately if input_thread isn't running (stops event...

getkey() now returns immediately if input_thread isn't running (stops event thread from waiting for user input).

src/sbbs3/getkey.cpp

@@ -47,7 +47,7 @@ char sbbs_t::getkey(long mode)
 {
 	char ch,coldkey,c=0,spin=sbbs_random(5);
 
-	if(!online)
+	if(!online || !input_thread_running)
 		return(0);
 	sys_status&=~SS_ABORT;
 	if((sys_status&SS_USERON || action==NODE_DFLT) && !(mode&K_GETSTR))