stdint: Cut dependency to module 'wchar'.

[pspp] / ChangeLog

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+2011-02-18  Bruno Haible  <bruno@clisp.org>
+
+       stdint: Cut dependency to module 'wchar'.
+       * lib/stdint.in.h: Include wchar.h only when HAVE_WCHAR_H is 1. Also
+       include the necessary prerequisites.
+       * m4/stdint.m4 (gl_STDINT_H): Test whether wchar.h exists.
+       * modules/stdint (Depends-on): Remove wchar.
+       (Makefile.am): Substitute HAVE_WCHAR_H.
+       This reverts part of a 2007-01-06 commit. Reported by Paul Eggert.
+
 2011-02-18  Eric Blake  <eblake@redhat.com>
 
        longlong: skip, rather than fail, on cross-compilation