regex: Don't require alloca.

[pspp] / ChangeLog

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+2010-05-24  Bruno Haible  <bruno@clisp.org>
+
+       regex: Don't require alloca.
+       * modules/regex (Depends-on): Remove alloca. Add alloca-opt.
+       * lib/regex_internal.h (alloca): Ensure it's defined even if we call it
+       only inside if (0).
+
+2010-05-23  Jim Meyering  <meyering@redhat.com>
+
+       test-renameat.c: include <sys/stat.h>
+       * tests/test-renameat.c: Include <sys/stat.h>; required for
+       definition of S_IS* macros.
+
 2010-05-23  Ben Pfaff  <blp@cs.stanford.edu>
 
        Update maintainer documentation for 'relocatable-prog' module.