unsetenv: fix OpenBSD bug

[gnulib.git] / ChangeLog

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 2010-09-08  Eric Blake  <eblake@redhat.com>
 
+       unsetenv: fix OpenBSD bug
+       * m4/setenv.m4 (gl_FUNC_UNSETENV): Check for OpenBSD bug.
+       * doc/posix-functions/unsetenv.texi (unsetenv): Update
+       documentation.
+       Reported by Jim Meyering.
+
        strtod: work around IRIX 6.5 bug
        * lib/strtod.c (strtod): Reparse number on shorter string if
        exponent parse was invalid.