[bug-gnu-libiconv] Incorrect character translation from cp437

[Phillip Susi]

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This classic string from a win95 created shortcut to the 3 1/2 inch floppy
drive is translated from cp437 incorrectly by iconv:

address@hidden:~# hd foo
00000000  bd 20 69 6e 63 68 20 66  6c 6f 70 70 79 0a        |. inch floppy.|

address@hidden:~# iconv -f 437 foo -t UTF-8 | hd
00000000  e2 95 9c 20 69 6e 63 68  20 66 6c 6f 70 70 79 0a  |... inch floppy.|

In cp 437, 0xBD is supposed to be a 1/2 character.  iconv seems to have 
translated it to U+255C instead of U+00BD.

Also I tried running iconv -f utf-8 -t 437 and typing U+00BD, and iconv 
translated it to 0xAB instead of 0xBD.

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