Don't log an error when a QWK-posted vote message is a dupe (just silently

discard).
Also, trim trailing white-spaces.

src/sbbs3/qwk.cpp

@@ -1184,7 +1184,8 @@ bool sbbs_t::qwk_vote(str_list_t ini, const char* section, smb_net_type_t net_ty
 			msg.hdr.votes = iniGetShortInt(ini, section, "votes", 0);
 			notice = text[PollVoteNotice];
 		}
-		if((result=votemsg(&cfg, &smb, &msg, notice)) != SMB_SUCCESS)
+		result = votemsg(&cfg, &smb, &msg, notice);
+		if(result != SMB_SUCCESS && result != SMB_DUPE_MSG)
 			errormsg(WHERE, ERR_WRITE, smb.file, result, smb.last_error);
 	}
 	else if(strnicmp(section, "close:", 6) == 0) {