Bugfix (introduced in rev 1.35): allow control keys (e.g. Ctrl-U) to have

effect while waiting for paged node to respond (or the wait to be aborted)
by calling inkey(), which also gives us the yield needed (replacing the
SLEEP(500) call), but the yield is immediately aborted when a key is hit.

src/sbbs3/chat.cpp

@@ -784,7 +784,7 @@ void sbbs_t::privchat(bool local)
 				checkline();
 				gettimeleft();
 				SYNC; 
-				SLEEP(500);
+				inkey(K_NONE,500);
 			} 
 		}
 	}