Make DEL (0x7F) work the same as Backspace (0x08) since that seems to be the

most common problem for people using it.

They're likely to have other problems as well, but that's not my problem.

exec/irc.js

@@ -1347,6 +1347,7 @@ function Screen_handle_key(key)  {
 			this.input_pos=0;
 			this.update_input_line();
 			break;
+		case "\x7f":
 		case "\x08":
 			if(this.input_pos > 0)  {
 				this.input_buffer=this.input_buffer.slice(0,this.input_pos-1)+this.input_buffer.slice(this.input_pos);