Drain modem buffer before sending commands.

src/syncterm/CHANGES

@@ -10,6 +10,7 @@ Support copy/paste in BBS list
 Show current list path, not default in File Locations
 Explicitly set serial port to 8N1
 Add support bit data bits, stop bits, and parity
+Drain modem buffer before sending init command
 
 Version 1.2rc6
 --------------

src/syncterm/modem.c

@@ -255,6 +255,10 @@ modem_connect(struct bbslist *bbs)
 		while (kbhit())
 			getch();
 
+		/* Drain modem output buffer */
+		while (comReadByte(com, respbuf))
+			;
+
 		if (!bbs->hidepopups)
 			uifc.pop("Initializing...");