Fixed bug where if you used the /W (whisper) command in multi-node chat

and then hit 'Q', it would kick you out of multi-node chat (because
the abort flag was set).

src/sbbs3/chat.cpp

@@ -1271,8 +1271,10 @@ int sbbs_t::getnodetopage(int all, int telegram)
 
 	strcpy(str,lastnodemsguser);
 	getstr(str,LEN_ALIAS,K_UPRLWR|K_LINE|K_EDIT|K_AUTODEL);
-	if(sys_status&SS_ABORT)
+	if(sys_status&SS_ABORT) {
+		sys_status&= ~SS_ABORT;
 		return(0);
+	}
 	if(!str[0])
 		return(0);