[Rd] rgui transpose-chars problem (PR#5593)

[nakama at ki.rim.or.jp]

Full_Name: Eiji Nakama
Version: 1.8.1
OS: Windows2000(Japan)
Submission from: (NULL) (219.117.236.13)


I type typo sl().
cursole move `l` position moved.
type C-t not change.
It operated in rterm.

--- src/gnuwin32/console.c.orig
+++ src/gnuwin32/console.c
            case CHARTRANS:
-               if(cur_pos < 2) break;
+               if(cur_pos < 1) break;
+               if(cur_pos >= max_pos) break;
                cur_char = cur_line[cur_pos];
                cur_line[cur_pos] = cur_line[cur_pos-1];
                cur_line[cur_pos-1] = cur_char;
                break;