Make the "CONVERT_TEAR" (-=) option a toggle option in echocfg.

src/sbbs3/rechocfg.c

@@ -8,7 +8,7 @@
  * @format.tab-size 4		(Plain Text/Source Code File Header)			*
  * @format.use-tabs true	(see http://www.synchro.net/ptsc_hdr.html)		*
  *																			*
- * Copyright 2006 Rob Swindell - http://www.synchro.net/copyright.html		*
+ * Copyright 2011 Rob Swindell - http://www.synchro.net/copyright.html		*
  *																			*
  * This program is free software; you can redistribute it and/or			*
  * modify it under the terms of the GNU General Public License				*
@@ -292,6 +292,11 @@ void read_echo_cfg()
 			misc|=STRIP_LF;
 			continue; }
 
+		if(!stricmp(tmp,"CONVERT_TEAR")) {
+			misc|=CONVERT_TEAR;
+			continue;
+		}
+
 		if(!stricmp(tmp,"STORE_SEENBY")) {
 			misc|=STORE_SEENBY;
 			continue; }