Share two-way algorithm.

[pspp] / ChangeLog

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 2008-01-10  Eric Blake  <ebb9@byu.net>
 
+       Share two-way algorithm.
+       * lib/str-two-way.h: New file, merged from...
+       * lib/memmem.c: ...here...
+       * lib/strstr.c: ...and here.
+       * modules/memmem (Files): Use it.
+       * modules/strstr (Files): Likewise.
+
        Avoid quadratic strstr implementations.
        * lib/strstr.c: New file.
        * m4/strstr.m4: Likewise.