Revert the last changes.

Something weird is happening to the cryptlib session when SZ sends
a lot of data... no real clues left.

src/sbbs3/main.cpp

@@ -2458,23 +2458,14 @@ void output_thread(void* arg)
 					 */
 					if(cryptStatusError(err=cryptSetAttribute(sbbs->ssh_session, CRYPT_OPTION_NET_WRITETIMEOUT, 5)))
 						GCESSTR(err, node, LOG_WARNING, sbbs->ssh_session, "setting write timeout");
-					do {
-						if(cryptStatusError((err=cryptFlushData(sbbs->ssh_session)))) {
-							GCESSTR(err, node, LOG_WARNING, sbbs->ssh_session, "flushing data");
-							ssh_errors++;
-							if (err == CRYPT_ERROR_TIMEOUT) {
-								(void)cryptPopData(sbbs->ssh_session, (void *)"", 0, &err);
-								if (cryptStatusError(err))
-									GCESSTR(err, node, LOG_WARNING, sbbs->ssh_session, "popping SSH data after timeout");
-								else
-									err = CRYPT_ERROR_TIMEOUT;
-							}
-							else {
-								sbbs->online=FALSE;
-								i=buftop-bufbot;	// Pretend we sent it all
-							}
+					if(cryptStatusError((err=cryptFlushData(sbbs->ssh_session)))) {
+						GCESSTR(err, node, LOG_WARNING, sbbs->ssh_session, "flushing data");
+						ssh_errors++;
+						if (err != CRYPT_ERROR_TIMEOUT) {
+							sbbs->online=FALSE;
+							i=buftop-bufbot;	// Pretend we sent it all
 						}
-					} while (err == CRYPT_ERROR_TIMEOUT);
+					}
 					// READ = WRITE TIMEOUT HACK... REMOVE WHEN FIXED
 					if(cryptStatusError(err=cryptSetAttribute(sbbs->ssh_session, CRYPT_OPTION_NET_WRITETIMEOUT, 0)))
 						GCESSTR(err, node, LOG_WARNING, sbbs->ssh_session, "setting write timeout");