[REGEX_FREE]: Use ((void)0) instead of just (0).

c2e1680a · Jim Meyering · fa9a63c5 · c2e1680a
Commit c2e1680a authored May 21, 1995 by Jim Meyering
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src/regex.c src/regex.c +1 -1

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--- a/src/regex.c
+++ b/src/regex.c
@@ -243,7 +243,7 @@ char *alloca ();
   destination)

 /* No need to do anything to free, after alloca.  */
-#define REGEX_FREE(arg) (0)
+#define REGEX_FREE(arg) ((void)0) /* Do nothing!  But inhibit gcc warning.  */

 #endif /* not REGEX_MALLOC */