fix strtod("-0x",NULL)

[Eric Blake]

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According to Eric Blake on 2/28/2008 9:32 PM:
| And another one - strtod("nan()", ptr) should consume the () (per C99, the
| n-char-sequence between the literal () is optional, not required).
| Without the patch, ptr is set to str+3 instead of str+5.  OK to apply?
|
| 2008-02-29  Eric Blake  <ebb9@byu.net>
|
|     Fix strtod("nan()", ptr).
|     * libc/stdlib/gdtoa-hexnan.c (hexnan): When the optional
|     n-char-sequence is omitted, still parse the ().

Ping.

- --
Don't work too hard, make some time for fun as well!

Eric Blake             ebb9@byu.net
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