Ignore some more spurious vt100 G-charset switches in IBM mode.

Apparently CAO's ncurses emits it while mine doesn't, and this breaks
    some terminals, including gnome-terminal but not PuTTY.
    (Adam Borowski <kilobyte@angband.pl>)


git-svn-id: svn://katsu.triplehelix.org/dgamelaunch/trunk@601 db0b04b0-f4d1-0310-9a6d-de3e77497b0e

ttyrec.c

@@ -433,6 +433,8 @@ dooutput (int max_idle_time)
                       galt = 1;
                       continue;
                   }
+              else if (obuf[i] == 14 || obuf[i] == 15)
+                  continue;
               out += wctoutf8(out, charset_cp437[(unsigned char)obuf[i]]);
           }
           h.len = len = out - ubuf;