[Poppler-bugs] [Bug 102951] [PATCH] Form.cc: include ctype.h to fix build error

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=102951

--- Comment #1 from Bernd Kuhls <berndkuhls at hotmail.com> ---
Fixes
Form.cc:546:28: error: 'isdigit' was not declared in this scope
Form.cc:548:34: error: 'isxdigit' was not declared in this scope
Form.cc:575:40: error: 'isxdigit' was not declared in this scope

detected by buildroot autobuilders:
http://autobuild.buildroot.net/results/a6a/a6a336f8b6a0136b204a34091e33dc4598178125/
when cross-compiling with
gcc version 4.7.3 (crosstool-NG hg+-c65fcf8a34b7)

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